Home / 5,385,992.64-8,072,008.56-2,187,403.08

Finding the Fourth Proportional to 5,385,992.64, 8,072,008.56 and 2,187,403.08

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Solution

The fourth proportional to 5,385,992.64, 8,072,008.56 and 2,187,403.08 is: 3,278,269.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385,992.64 : 8,072,008.56 = 2,187,403.08 : x
  2. Step 2: Convert to fraction form
    5,385,992.64/8,072,008.56 = 2,187,403.08/x
  3. Step 3: Cross multiply
    5,385,992.64x = 8,072,008.56 × 2,187,403.08
  4. Step 4: Simplify right side
    5,385,992.64x = 17,656,736,385,930.36
  5. Step 5: Solve for x
    x = 17,656,736,385,930.36/5,385,992.64
  6. Step 6: Final answer
    x = 3,278,269.68

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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.