Home / 3,761,057.61-5,641,520.81-921,194.37

Finding the Fourth Proportional to 3,761,057.61, 5,641,520.81 and 921,194.37

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Solution

The fourth proportional to 3,761,057.61, 5,641,520.81 and 921,194.37 is: 1,381,775.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761,057.61 : 5,641,520.81 = 921,194.37 : x
  2. Step 2: Convert to fraction form
    3,761,057.61/5,641,520.81 = 921,194.37/x
  3. Step 3: Cross multiply
    3,761,057.61x = 5,641,520.81 × 921,194.37
  4. Step 4: Simplify right side
    3,761,057.61x = 5,196,937,203,803.87
  5. Step 5: Solve for x
    x = 5,196,937,203,803.87/3,761,057.61
  6. Step 6: Final answer
    x = 1,381,775.49

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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.