Home / 5,189,490.45-7,161,454.04-2,834,690.13

Finding the Fourth Proportional to 5,189,490.45, 7,161,454.04 and 2,834,690.13

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Solution

The fourth proportional to 5,189,490.45, 7,161,454.04 and 2,834,690.13 is: 3,911,849.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189,490.45 : 7,161,454.04 = 2,834,690.13 : x
  2. Step 2: Convert to fraction form
    5,189,490.45/7,161,454.04 = 2,834,690.13/x
  3. Step 3: Cross multiply
    5,189,490.45x = 7,161,454.04 × 2,834,690.13
  4. Step 4: Simplify right side
    5,189,490.45x = 20,300,503,069,463.18
  5. Step 5: Solve for x
    x = 20,300,503,069,463.18/5,189,490.45
  6. Step 6: Final answer
    x = 3,911,849.01

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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.