Home / 4,921,521.20-7,382,281.80-2,760,327.80

Finding the Fourth Proportional to 4,921,521.20, 7,382,281.80 and 2,760,327.80

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Solution

The fourth proportional to 4,921,521.20, 7,382,281.80 and 2,760,327.80 is: 4,140,491.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921,521.20 : 7,382,281.80 = 2,760,327.80 : x
  2. Step 2: Convert to fraction form
    4,921,521.20/7,382,281.80 = 2,760,327.80/x
  3. Step 3: Cross multiply
    4,921,521.20x = 7,382,281.80 × 2,760,327.80
  4. Step 4: Simplify right side
    4,921,521.20x = 20,377,517,679,974.04
  5. Step 5: Solve for x
    x = 20,377,517,679,974.04/4,921,521.20
  6. Step 6: Final answer
    x = 4,140,491.70

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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.