Home / 2,420,121.40-3,630,182.10-2,088,345.40

Finding the Fourth Proportional to 2,420,121.40, 3,630,182.10 and 2,088,345.40

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Solution

The fourth proportional to 2,420,121.40, 3,630,182.10 and 2,088,345.40 is: 3,132,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420,121.40 : 3,630,182.10 = 2,088,345.40 : x
  2. Step 2: Convert to fraction form
    2,420,121.40/3,630,182.10 = 2,088,345.40/x
  3. Step 3: Cross multiply
    2,420,121.40x = 3,630,182.10 × 2,088,345.40
  4. Step 4: Simplify right side
    2,420,121.40x = 7,581,074,089,697.34
  5. Step 5: Solve for x
    x = 7,581,074,089,697.34/2,420,121.40
  6. Step 6: Final answer
    x = 3,132,518.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.