Home / 3,442,920.70-5,158,476.15-1,641,926.20

Finding the Fourth Proportional to 3,442,920.70, 5,158,476.15 and 1,641,926.20

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Solution

The fourth proportional to 3,442,920.70, 5,158,476.15 and 1,641,926.20 is: 2,460,073.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442,920.70 : 5,158,476.15 = 1,641,926.20 : x
  2. Step 2: Convert to fraction form
    3,442,920.70/5,158,476.15 = 1,641,926.20/x
  3. Step 3: Cross multiply
    3,442,920.70x = 5,158,476.15 × 1,641,926.20
  4. Step 4: Simplify right side
    3,442,920.70x = 8,469,837,142,760.13
  5. Step 5: Solve for x
    x = 8,469,837,142,760.13/3,442,920.70
  6. Step 6: Final answer
    x = 2,460,073.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.