Home / 1,812,081.52-2,718,138.68-549,909.15

Finding the Fourth Proportional to 1,812,081.52, 2,718,138.68 and 549,909.15

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Solution

The fourth proportional to 1,812,081.52, 2,718,138.68 and 549,909.15 is: 824,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,081.52 : 2,718,138.68 = 549,909.15 : x
  2. Step 2: Convert to fraction form
    1,812,081.52/2,718,138.68 = 549,909.15/x
  3. Step 3: Cross multiply
    1,812,081.52x = 2,718,138.68 × 549,909.15
  4. Step 4: Simplify right side
    1,812,081.52x = 1,494,729,320,220.52
  5. Step 5: Solve for x
    x = 1,494,729,320,220.52/1,812,081.52
  6. Step 6: Final answer
    x = 824,868.70

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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.