Home / 5,188,909.01-7,160,652.41-2,865,960.78

Finding the Fourth Proportional to 5,188,909.01, 7,160,652.41 and 2,865,960.78

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Solution

The fourth proportional to 5,188,909.01, 7,160,652.41 and 2,865,960.78 is: 3,955,002.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188,909.01 : 7,160,652.41 = 2,865,960.78 : x
  2. Step 2: Convert to fraction form
    5,188,909.01/7,160,652.41 = 2,865,960.78/x
  3. Step 3: Cross multiply
    5,188,909.01x = 7,160,652.41 × 2,865,960.78
  4. Step 4: Simplify right side
    5,188,909.01x = 20,522,148,966,272.48
  5. Step 5: Solve for x
    x = 20,522,148,966,272.48/5,188,909.01
  6. Step 6: Final answer
    x = 3,955,002.67

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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.