Home / 5,188,908.15-7,160,707.13-2,897,150.85

Finding the Fourth Proportional to 5,188,908.15, 7,160,707.13 and 2,897,150.85

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Solution

The fourth proportional to 5,188,908.15, 7,160,707.13 and 2,897,150.85 is: 3,998,075.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188,908.15 : 7,160,707.13 = 2,897,150.85 : x
  2. Step 2: Convert to fraction form
    5,188,908.15/7,160,707.13 = 2,897,150.85/x
  3. Step 3: Cross multiply
    5,188,908.15x = 7,160,707.13 × 2,897,150.85
  4. Step 4: Simplify right side
    5,188,908.15x = 20,745,648,733,794.81
  5. Step 5: Solve for x
    x = 20,745,648,733,794.81/5,188,908.15
  6. Step 6: Final answer
    x = 3,998,075.92

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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.