Home / 3,238,972.80-4,861,396.80-1,642,646.40

Finding the Fourth Proportional to 3,238,972.80, 4,861,396.80 and 1,642,646.40

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Solution

The fourth proportional to 3,238,972.80, 4,861,396.80 and 1,642,646.40 is: 2,465,459.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238,972.80 : 4,861,396.80 = 1,642,646.40 : x
  2. Step 2: Convert to fraction form
    3,238,972.80/4,861,396.80 = 1,642,646.40/x
  3. Step 3: Cross multiply
    3,238,972.80x = 4,861,396.80 × 1,642,646.40
  4. Step 4: Simplify right side
    3,238,972.80x = 7,985,555,952,491.52
  5. Step 5: Solve for x
    x = 7,985,555,952,491.52/3,238,972.80
  6. Step 6: Final answer
    x = 2,465,459.41

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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.