Home / 5,158,184.28-7,118,358.80-2,835,330.40

Finding the Fourth Proportional to 5,158,184.28, 7,118,358.80 and 2,835,330.40

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Solution

The fourth proportional to 5,158,184.28, 7,118,358.80 and 2,835,330.40 is: 3,912,791.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158,184.28 : 7,118,358.80 = 2,835,330.40 : x
  2. Step 2: Convert to fraction form
    5,158,184.28/7,118,358.80 = 2,835,330.40/x
  3. Step 3: Cross multiply
    5,158,184.28x = 7,118,358.80 × 2,835,330.40
  4. Step 4: Simplify right side
    5,158,184.28x = 20,182,899,103,747.52
  5. Step 5: Solve for x
    x = 20,182,899,103,747.52/5,158,184.28
  6. Step 6: Final answer
    x = 3,912,791.40

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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.