Home / 2,119,079.52-3,180,616.92-772,543.56

Finding the Fourth Proportional to 2,119,079.52, 3,180,616.92 and 772,543.56

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Solution

The fourth proportional to 2,119,079.52, 3,180,616.92 and 772,543.56 is: 1,159,543.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,079.52 : 3,180,616.92 = 772,543.56 : x
  2. Step 2: Convert to fraction form
    2,119,079.52/3,180,616.92 = 772,543.56/x
  3. Step 3: Cross multiply
    2,119,079.52x = 3,180,616.92 × 772,543.56
  4. Step 4: Simplify right side
    2,119,079.52x = 2,457,165,118,373.04
  5. Step 5: Solve for x
    x = 2,457,165,118,373.04/2,119,079.52
  6. Step 6: Final answer
    x = 1,159,543.61

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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.