Home / 2,040,148.80-3,060,338.40-620,251.20

Finding the Fourth Proportional to 2,040,148.80, 3,060,338.40 and 620,251.20

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Solution

The fourth proportional to 2,040,148.80, 3,060,338.40 and 620,251.20 is: 930,411.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040,148.80 : 3,060,338.40 = 620,251.20 : x
  2. Step 2: Convert to fraction form
    2,040,148.80/3,060,338.40 = 620,251.20/x
  3. Step 3: Cross multiply
    2,040,148.80x = 3,060,338.40 × 620,251.20
  4. Step 4: Simplify right side
    2,040,148.80x = 1,898,178,565,006.08
  5. Step 5: Solve for x
    x = 1,898,178,565,006.08/2,040,148.80
  6. Step 6: Final answer
    x = 930,411.82

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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.