Home / 5,430,925.28-7,493,843.76-3,138,643.28

Finding the Fourth Proportional to 5,430,925.28, 7,493,843.76 and 3,138,643.28

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Solution

The fourth proportional to 5,430,925.28, 7,493,843.76 and 3,138,643.28 is: 4,330,846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,925.28 : 7,493,843.76 = 3,138,643.28 : x
  2. Step 2: Convert to fraction form
    5,430,925.28/7,493,843.76 = 3,138,643.28/x
  3. Step 3: Cross multiply
    5,430,925.28x = 7,493,843.76 × 3,138,643.28
  4. Step 4: Simplify right side
    5,430,925.28x = 23,520,502,358,693.93
  5. Step 5: Solve for x
    x = 23,520,502,358,693.93/5,430,925.28
  6. Step 6: Final answer
    x = 4,330,846.25

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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.