Home / 5,245,732.80-7,866,266.40-2,406,715.20

Finding the Fourth Proportional to 5,245,732.80, 7,866,266.40 and 2,406,715.20

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Solution

The fourth proportional to 5,245,732.80, 7,866,266.40 and 2,406,715.20 is: 3,609,002.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245,732.80 : 7,866,266.40 = 2,406,715.20 : x
  2. Step 2: Convert to fraction form
    5,245,732.80/7,866,266.40 = 2,406,715.20/x
  3. Step 3: Cross multiply
    5,245,732.80x = 7,866,266.40 × 2,406,715.20
  4. Step 4: Simplify right side
    5,245,732.80x = 18,931,862,912,129.28
  5. Step 5: Solve for x
    x = 18,931,862,912,129.28/5,245,732.80
  6. Step 6: Final answer
    x = 3,609,002.52

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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.