Home / 2,690,290.56-3,712,414.94-1,513,065.72

Finding the Fourth Proportional to 2,690,290.56, 3,712,414.94 and 1,513,065.72

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Solution

The fourth proportional to 2,690,290.56, 3,712,414.94 and 1,513,065.72 is: 2,087,926.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,290.56 : 3,712,414.94 = 1,513,065.72 : x
  2. Step 2: Convert to fraction form
    2,690,290.56/3,712,414.94 = 1,513,065.72/x
  3. Step 3: Cross multiply
    2,690,290.56x = 3,712,414.94 × 1,513,065.72
  4. Step 4: Simplify right side
    2,690,290.56x = 5,617,127,784,129.86
  5. Step 5: Solve for x
    x = 5,617,127,784,129.86/2,690,290.56
  6. Step 6: Final answer
    x = 2,087,926.07

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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.