Home / 4,752,000.30-7,128,000.45-1,914,149.10

Finding the Fourth Proportional to 4,752,000.30, 7,128,000.45 and 1,914,149.10

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Solution

The fourth proportional to 4,752,000.30, 7,128,000.45 and 1,914,149.10 is: 2,871,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,000.30 : 7,128,000.45 = 1,914,149.10 : x
  2. Step 2: Convert to fraction form
    4,752,000.30/7,128,000.45 = 1,914,149.10/x
  3. Step 3: Cross multiply
    4,752,000.30x = 7,128,000.45 × 1,914,149.10
  4. Step 4: Simplify right side
    4,752,000.30x = 13,644,055,646,167.10
  5. Step 5: Solve for x
    x = 13,644,055,646,167.10/4,752,000.30
  6. Step 6: Final answer
    x = 2,871,223.65

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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.