Home / 2,680,882.20-4,020,545.70-974,827.80

Finding the Fourth Proportional to 2,680,882.20, 4,020,545.70 and 974,827.80

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Solution

The fourth proportional to 2,680,882.20, 4,020,545.70 and 974,827.80 is: 1,461,958.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,882.20 : 4,020,545.70 = 974,827.80 : x
  2. Step 2: Convert to fraction form
    2,680,882.20/4,020,545.70 = 974,827.80/x
  3. Step 3: Cross multiply
    2,680,882.20x = 4,020,545.70 × 974,827.80
  4. Step 4: Simplify right side
    2,680,882.20x = 3,919,339,719,530.46
  5. Step 5: Solve for x
    x = 3,919,339,719,530.46/2,680,882.20
  6. Step 6: Final answer
    x = 1,461,958.95

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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.