Home / 1,686,720.92-2,530,079.15-549,481.12

Finding the Fourth Proportional to 1,686,720.92, 2,530,079.15 and 549,481.12

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Solution

The fourth proportional to 1,686,720.92, 2,530,079.15 and 549,481.12 is: 824,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,720.92 : 2,530,079.15 = 549,481.12 : x
  2. Step 2: Convert to fraction form
    1,686,720.92/2,530,079.15 = 549,481.12/x
  3. Step 3: Cross multiply
    1,686,720.92x = 2,530,079.15 × 549,481.12
  4. Step 4: Simplify right side
    1,686,720.92x = 1,390,230,715,958.04
  5. Step 5: Solve for x
    x = 1,390,230,715,958.04/1,686,720.92
  6. Step 6: Final answer
    x = 824,220.95

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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.