Home / 5,172,139.80-7,755,512.40-1,931,009.04

Finding the Fourth Proportional to 5,172,139.80, 7,755,512.40 and 1,931,009.04

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Solution

The fourth proportional to 5,172,139.80, 7,755,512.40 and 1,931,009.04 is: 2,895,506.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,139.80 : 7,755,512.40 = 1,931,009.04 : x
  2. Step 2: Convert to fraction form
    5,172,139.80/7,755,512.40 = 1,931,009.04/x
  3. Step 3: Cross multiply
    5,172,139.80x = 7,755,512.40 × 1,931,009.04
  4. Step 4: Simplify right side
    5,172,139.80x = 14,975,964,554,232.10
  5. Step 5: Solve for x
    x = 14,975,964,554,232.10/5,172,139.80
  6. Step 6: Final answer
    x = 2,895,506.53

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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.