Home / 3,988,760.13-5,985,008.72-1,965,901.32

Finding the Fourth Proportional to 3,988,760.13, 5,985,008.72 and 1,965,901.32

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Solution

The fourth proportional to 3,988,760.13, 5,985,008.72 and 1,965,901.32 is: 2,949,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988,760.13 : 5,985,008.72 = 1,965,901.32 : x
  2. Step 2: Convert to fraction form
    3,988,760.13/5,985,008.72 = 1,965,901.32/x
  3. Step 3: Cross multiply
    3,988,760.13x = 5,985,008.72 × 1,965,901.32
  4. Step 4: Simplify right side
    3,988,760.13x = 11,765,936,533,030.00
  5. Step 5: Solve for x
    x = 11,765,936,533,030.00/3,988,760.13
  6. Step 6: Final answer
    x = 2,949,772.90

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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.