Home / 3,788,877.16-5,227,938.25-2,157,185.62

Finding the Fourth Proportional to 3,788,877.16, 5,227,938.25 and 2,157,185.62

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Solution

The fourth proportional to 3,788,877.16, 5,227,938.25 and 2,157,185.62 is: 2,976,510.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788,877.16 : 5,227,938.25 = 2,157,185.62 : x
  2. Step 2: Convert to fraction form
    3,788,877.16/5,227,938.25 = 2,157,185.62/x
  3. Step 3: Cross multiply
    3,788,877.16x = 5,227,938.25 × 2,157,185.62
  4. Step 4: Simplify right side
    3,788,877.16x = 11,277,633,215,147.96
  5. Step 5: Solve for x
    x = 11,277,633,215,147.96/3,788,877.16
  6. Step 6: Final answer
    x = 2,976,510.65

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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.