Home / 2,007,939.90-3,013,106.60-728,647.20

Finding the Fourth Proportional to 2,007,939.90, 3,013,106.60 and 728,647.20

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Solution

The fourth proportional to 2,007,939.90, 3,013,106.60 and 728,647.20 is: 1,093,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007,939.90 : 3,013,106.60 = 728,647.20 : x
  2. Step 2: Convert to fraction form
    2,007,939.90/3,013,106.60 = 728,647.20/x
  3. Step 3: Cross multiply
    2,007,939.90x = 3,013,106.60 × 728,647.20
  4. Step 4: Simplify right side
    2,007,939.90x = 2,195,491,687,391.52
  5. Step 5: Solve for x
    x = 2,195,491,687,391.52/2,007,939.90
  6. Step 6: Final answer
    x = 1,093,405.08

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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.