Home / 3,760,476.29-5,189,407.02-2,128,841.86

Finding the Fourth Proportional to 3,760,476.29, 5,189,407.02 and 2,128,841.86

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Solution

The fourth proportional to 3,760,476.29, 5,189,407.02 and 2,128,841.86 is: 2,937,773.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760,476.29 : 5,189,407.02 = 2,128,841.86 : x
  2. Step 2: Convert to fraction form
    3,760,476.29/5,189,407.02 = 2,128,841.86/x
  3. Step 3: Cross multiply
    3,760,476.29x = 5,189,407.02 × 2,128,841.86
  4. Step 4: Simplify right side
    3,760,476.29x = 11,047,426,856,162.61
  5. Step 5: Solve for x
    x = 11,047,426,856,162.61/3,760,476.29
  6. Step 6: Final answer
    x = 2,937,773.30

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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.