Home / 5,320,587.40-7,980,881.10-3,194,823.40

Finding the Fourth Proportional to 5,320,587.40, 7,980,881.10 and 3,194,823.40

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Solution

The fourth proportional to 5,320,587.40, 7,980,881.10 and 3,194,823.40 is: 4,792,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320,587.40 : 7,980,881.10 = 3,194,823.40 : x
  2. Step 2: Convert to fraction form
    5,320,587.40/7,980,881.10 = 3,194,823.40/x
  3. Step 3: Cross multiply
    5,320,587.40x = 7,980,881.10 × 3,194,823.40
  4. Step 4: Simplify right side
    5,320,587.40x = 25,497,505,690,897.74
  5. Step 5: Solve for x
    x = 25,497,505,690,897.74/5,320,587.40
  6. Step 6: Final answer
    x = 4,792,235.10

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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.