Home / 5,189,193.32-7,161,529.55-2,897,796.87

Finding the Fourth Proportional to 5,189,193.32, 7,161,529.55 and 2,897,796.87

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Solution

The fourth proportional to 5,189,193.32, 7,161,529.55 and 2,897,796.87 is: 3,999,206.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189,193.32 : 7,161,529.55 = 2,897,796.87 : x
  2. Step 2: Convert to fraction form
    5,189,193.32/7,161,529.55 = 2,897,796.87/x
  3. Step 3: Cross multiply
    5,189,193.32x = 7,161,529.55 × 2,897,796.87
  4. Step 4: Simplify right side
    5,189,193.32x = 20,752,657,899,913.52
  5. Step 5: Solve for x
    x = 20,752,657,899,913.52/5,189,193.32
  6. Step 6: Final answer
    x = 3,999,206.94

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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.