Home / 2,988,691.47-4,482,556.04-858,291.03

Finding the Fourth Proportional to 2,988,691.47, 4,482,556.04 and 858,291.03

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Solution

The fourth proportional to 2,988,691.47, 4,482,556.04 and 858,291.03 is: 1,287,298.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,691.47 : 4,482,556.04 = 858,291.03 : x
  2. Step 2: Convert to fraction form
    2,988,691.47/4,482,556.04 = 858,291.03/x
  3. Step 3: Cross multiply
    2,988,691.47x = 4,482,556.04 × 858,291.03
  4. Step 4: Simplify right side
    2,988,691.47x = 3,847,337,636,312.87
  5. Step 5: Solve for x
    x = 3,847,337,636,312.87/2,988,691.47
  6. Step 6: Final answer
    x = 1,287,298.36

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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.