Home / 4,745,982.78-7,117,519.14-1,712,978.28

Finding the Fourth Proportional to 4,745,982.78, 7,117,519.14 and 1,712,978.28

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Solution

The fourth proportional to 4,745,982.78, 7,117,519.14 and 1,712,978.28 is: 2,568,942.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745,982.78 : 7,117,519.14 = 1,712,978.28 : x
  2. Step 2: Convert to fraction form
    4,745,982.78/7,117,519.14 = 1,712,978.28/x
  3. Step 3: Cross multiply
    4,745,982.78x = 7,117,519.14 × 1,712,978.28
  4. Step 4: Simplify right side
    4,745,982.78x = 12,192,155,694,304.28
  5. Step 5: Solve for x
    x = 12,192,155,694,304.28/4,745,982.78
  6. Step 6: Final answer
    x = 2,568,942.25

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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.