Home / 3,991,823.76-5,508,718.56-2,156,281.92

Finding the Fourth Proportional to 3,991,823.76, 5,508,718.56 and 2,156,281.92

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Solution

The fourth proportional to 3,991,823.76, 5,508,718.56 and 2,156,281.92 is: 2,975,670.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,823.76 : 5,508,718.56 = 2,156,281.92 : x
  2. Step 2: Convert to fraction form
    3,991,823.76/5,508,718.56 = 2,156,281.92/x
  3. Step 3: Cross multiply
    3,991,823.76x = 5,508,718.56 × 2,156,281.92
  4. Step 4: Simplify right side
    3,991,823.76x = 11,878,350,233,296.43
  5. Step 5: Solve for x
    x = 11,878,350,233,296.43/3,991,823.76
  6. Step 6: Final answer
    x = 2,975,670.01

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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.