Home / 5,638,694.40-7,781,472.92-3,060,406.08

Finding the Fourth Proportional to 5,638,694.40, 7,781,472.92 and 3,060,406.08

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Solution

The fourth proportional to 5,638,694.40, 7,781,472.92 and 3,060,406.08 is: 4,223,400.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,694.40 : 7,781,472.92 = 3,060,406.08 : x
  2. Step 2: Convert to fraction form
    5,638,694.40/7,781,472.92 = 3,060,406.08/x
  3. Step 3: Cross multiply
    5,638,694.40x = 7,781,472.92 × 3,060,406.08
  4. Step 4: Simplify right side
    5,638,694.40x = 23,814,467,035,723.36
  5. Step 5: Solve for x
    x = 23,814,467,035,723.36/5,638,694.40
  6. Step 6: Final answer
    x = 4,223,400.91

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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.