Home / 3,785,085.68-5,222,719.62-2,153,397.80

Finding the Fourth Proportional to 3,785,085.68, 5,222,719.62 and 2,153,397.80

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Solution

The fourth proportional to 3,785,085.68, 5,222,719.62 and 2,153,397.80 is: 2,971,291.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785,085.68 : 5,222,719.62 = 2,153,397.80 : x
  2. Step 2: Convert to fraction form
    3,785,085.68/5,222,719.62 = 2,153,397.80/x
  3. Step 3: Cross multiply
    3,785,085.68x = 5,222,719.62 × 2,153,397.80
  4. Step 4: Simplify right side
    3,785,085.68x = 11,246,592,939,724.84
  5. Step 5: Solve for x
    x = 11,246,592,939,724.84/3,785,085.68
  6. Step 6: Final answer
    x = 2,971,291.51

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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.