Home / 3,782,743.28-5,220,587.40-2,313,511.28

Finding the Fourth Proportional to 3,782,743.28, 5,220,587.40 and 2,313,511.28

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Solution

The fourth proportional to 3,782,743.28, 5,220,587.40 and 2,313,511.28 is: 3,192,891.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782,743.28 : 5,220,587.40 = 2,313,511.28 : x
  2. Step 2: Convert to fraction form
    3,782,743.28/5,220,587.40 = 2,313,511.28/x
  3. Step 3: Cross multiply
    3,782,743.28x = 5,220,587.40 × 2,313,511.28
  4. Step 4: Simplify right side
    3,782,743.28x = 12,077,887,838,125.87
  5. Step 5: Solve for x
    x = 12,077,887,838,125.87/3,782,743.28
  6. Step 6: Final answer
    x = 3,192,891.23

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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.