Home / 3,445,705.28-4,755,118.56-1,897,147.20

Finding the Fourth Proportional to 3,445,705.28, 4,755,118.56 and 1,897,147.20

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Solution

The fourth proportional to 3,445,705.28, 4,755,118.56 and 1,897,147.20 is: 2,618,088.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445,705.28 : 4,755,118.56 = 1,897,147.20 : x
  2. Step 2: Convert to fraction form
    3,445,705.28/4,755,118.56 = 1,897,147.20/x
  3. Step 3: Cross multiply
    3,445,705.28x = 4,755,118.56 × 1,897,147.20
  4. Step 4: Simplify right side
    3,445,705.28x = 9,021,159,861,772.03
  5. Step 5: Solve for x
    x = 9,021,159,861,772.03/3,445,705.28
  6. Step 6: Final answer
    x = 2,618,088.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.