Home / 3,847,247.39-5,772,460.03-1,687,154.32

Finding the Fourth Proportional to 3,847,247.39, 5,772,460.03 and 1,687,154.32

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Solution

The fourth proportional to 3,847,247.39, 5,772,460.03 and 1,687,154.32 is: 2,531,428.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847,247.39 : 5,772,460.03 = 1,687,154.32 : x
  2. Step 2: Convert to fraction form
    3,847,247.39/5,772,460.03 = 1,687,154.32/x
  3. Step 3: Cross multiply
    3,847,247.39x = 5,772,460.03 × 1,687,154.32
  4. Step 4: Simplify right side
    3,847,247.39x = 9,739,030,876,641.83
  5. Step 5: Solve for x
    x = 9,739,030,876,641.83/3,847,247.39
  6. Step 6: Final answer
    x = 2,531,428.29

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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.