Home / 3,785,088.68-5,222,723.76-2,153,400.80

Finding the Fourth Proportional to 3,785,088.68, 5,222,723.76 and 2,153,400.80

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Solution

The fourth proportional to 3,785,088.68, 5,222,723.76 and 2,153,400.80 is: 2,971,295.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785,088.68 : 5,222,723.76 = 2,153,400.80 : x
  2. Step 2: Convert to fraction form
    3,785,088.68/5,222,723.76 = 2,153,400.80/x
  3. Step 3: Cross multiply
    3,785,088.68x = 5,222,723.76 × 2,153,400.80
  4. Step 4: Simplify right side
    3,785,088.68x = 11,246,617,522,963.01
  5. Step 5: Solve for x
    x = 11,246,617,522,963.01/3,785,088.68
  6. Step 6: Final answer
    x = 2,971,295.65

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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.