Home / 1,651,149.27-2,278,582.02-916,215.21

Finding the Fourth Proportional to 1,651,149.27, 2,278,582.02 and 916,215.21

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Solution

The fourth proportional to 1,651,149.27, 2,278,582.02 and 916,215.21 is: 1,264,374.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651,149.27 : 2,278,582.02 = 916,215.21 : x
  2. Step 2: Convert to fraction form
    1,651,149.27/2,278,582.02 = 916,215.21/x
  3. Step 3: Cross multiply
    1,651,149.27x = 2,278,582.02 × 916,215.21
  4. Step 4: Simplify right side
    1,651,149.27x = 2,087,671,503,956.52
  5. Step 5: Solve for x
    x = 2,087,671,503,956.52/1,651,149.27
  6. Step 6: Final answer
    x = 1,264,374.79

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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.