Home / 5,721,214.84-7,897,348.23-3,788,098.21

Finding the Fourth Proportional to 5,721,214.84, 7,897,348.23 and 3,788,098.21

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Solution

The fourth proportional to 5,721,214.84, 7,897,348.23 and 3,788,098.21 is: 5,228,947.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721,214.84 : 7,897,348.23 = 3,788,098.21 : x
  2. Step 2: Convert to fraction form
    5,721,214.84/7,897,348.23 = 3,788,098.21/x
  3. Step 3: Cross multiply
    5,721,214.84x = 7,897,348.23 × 3,788,098.21
  4. Step 4: Simplify right side
    5,721,214.84x = 29,915,930,693,809.67
  5. Step 5: Solve for x
    x = 29,915,930,693,809.67/5,721,214.84
  6. Step 6: Final answer
    x = 5,228,947.27

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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.