Home / 2,630,102.60-3,945,153.90-946,987.40

Finding the Fourth Proportional to 2,630,102.60, 3,945,153.90 and 946,987.40

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Solution

The fourth proportional to 2,630,102.60, 3,945,153.90 and 946,987.40 is: 1,420,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630,102.60 : 3,945,153.90 = 946,987.40 : x
  2. Step 2: Convert to fraction form
    2,630,102.60/3,945,153.90 = 946,987.40/x
  3. Step 3: Cross multiply
    2,630,102.60x = 3,945,153.90 × 946,987.40
  4. Step 4: Simplify right side
    2,630,102.60x = 3,736,011,034,360.86
  5. Step 5: Solve for x
    x = 3,736,011,034,360.86/2,630,102.60
  6. Step 6: Final answer
    x = 1,420,481.10

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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.