Home / 3,478,705.60-5,218,058.40-954,356.80

Finding the Fourth Proportional to 3,478,705.60, 5,218,058.40 and 954,356.80

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Solution

The fourth proportional to 3,478,705.60, 5,218,058.40 and 954,356.80 is: 1,431,535.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,705.60 : 5,218,058.40 = 954,356.80 : x
  2. Step 2: Convert to fraction form
    3,478,705.60/5,218,058.40 = 954,356.80/x
  3. Step 3: Cross multiply
    3,478,705.60x = 5,218,058.40 × 954,356.80
  4. Step 4: Simplify right side
    3,478,705.60x = 4,979,889,516,837.12
  5. Step 5: Solve for x
    x = 4,979,889,516,837.12/3,478,705.60
  6. Step 6: Final answer
    x = 1,431,535.20

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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.