Home / 6,602,789.93-9,111,943.33-3,988,930.66

Finding the Fourth Proportional to 6,602,789.93, 9,111,943.33 and 3,988,930.66

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Solution

The fourth proportional to 6,602,789.93, 9,111,943.33 and 3,988,930.66 is: 5,504,780.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602,789.93 : 9,111,943.33 = 3,988,930.66 : x
  2. Step 2: Convert to fraction form
    6,602,789.93/9,111,943.33 = 3,988,930.66/x
  3. Step 3: Cross multiply
    6,602,789.93x = 9,111,943.33 × 3,988,930.66
  4. Step 4: Simplify right side
    6,602,789.93x = 36,346,910,088,467.32
  5. Step 5: Solve for x
    x = 36,346,910,088,467.32/6,602,789.93
  6. Step 6: Final answer
    x = 5,504,780.63

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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.