Home / 5,321,805.20-7,982,707.80-4,258,923.20

Finding the Fourth Proportional to 5,321,805.20, 7,982,707.80 and 4,258,923.20

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Solution

The fourth proportional to 5,321,805.20, 7,982,707.80 and 4,258,923.20 is: 6,388,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321,805.20 : 7,982,707.80 = 4,258,923.20 : x
  2. Step 2: Convert to fraction form
    5,321,805.20/7,982,707.80 = 4,258,923.20/x
  3. Step 3: Cross multiply
    5,321,805.20x = 7,982,707.80 × 4,258,923.20
  4. Step 4: Simplify right side
    5,321,805.20x = 33,997,739,448,240.96
  5. Step 5: Solve for x
    x = 33,997,739,448,240.96/5,321,805.20
  6. Step 6: Final answer
    x = 6,388,384.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.