Home / 2,646,001.40-3,969,002.10-962,886.20

Finding the Fourth Proportional to 2,646,001.40, 3,969,002.10 and 962,886.20

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Solution

The fourth proportional to 2,646,001.40, 3,969,002.10 and 962,886.20 is: 1,444,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,001.40 : 3,969,002.10 = 962,886.20 : x
  2. Step 2: Convert to fraction form
    2,646,001.40/3,969,002.10 = 962,886.20/x
  3. Step 3: Cross multiply
    2,646,001.40x = 3,969,002.10 × 962,886.20
  4. Step 4: Simplify right side
    2,646,001.40x = 3,821,697,349,861.02
  5. Step 5: Solve for x
    x = 3,821,697,349,861.02/2,646,001.40
  6. Step 6: Final answer
    x = 1,444,329.30

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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.