Home / 3,998,155.93-5,516,981.02-2,255,723.76

Finding the Fourth Proportional to 3,998,155.93, 5,516,981.02 and 2,255,723.76

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Solution

The fourth proportional to 3,998,155.93, 5,516,981.02 and 2,255,723.76 is: 3,112,631.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998,155.93 : 5,516,981.02 = 2,255,723.76 : x
  2. Step 2: Convert to fraction form
    3,998,155.93/5,516,981.02 = 2,255,723.76/x
  3. Step 3: Cross multiply
    3,998,155.93x = 5,516,981.02 × 2,255,723.76
  4. Step 4: Simplify right side
    3,998,155.93x = 12,444,785,170,283.03
  5. Step 5: Solve for x
    x = 12,444,785,170,283.03/3,998,155.93
  6. Step 6: Final answer
    x = 3,112,631.27

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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.