Home / 3,000,328.40-4,140,446.28-1,642,189.52

Finding the Fourth Proportional to 3,000,328.40, 4,140,446.28 and 1,642,189.52

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Solution

The fourth proportional to 3,000,328.40, 4,140,446.28 and 1,642,189.52 is: 2,266,217.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000,328.40 : 4,140,446.28 = 1,642,189.52 : x
  2. Step 2: Convert to fraction form
    3,000,328.40/4,140,446.28 = 1,642,189.52/x
  3. Step 3: Cross multiply
    3,000,328.40x = 4,140,446.28 × 1,642,189.52
  4. Step 4: Simplify right side
    3,000,328.40x = 6,799,397,489,138.99
  5. Step 5: Solve for x
    x = 6,799,397,489,138.99/3,000,328.40
  6. Step 6: Final answer
    x = 2,266,217.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.