Home / 2,098,991.67-3,148,569.45-660,656.40

Finding the Fourth Proportional to 2,098,991.67, 3,148,569.45 and 660,656.40

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Solution

The fourth proportional to 2,098,991.67, 3,148,569.45 and 660,656.40 is: 991,010.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098,991.67 : 3,148,569.45 = 660,656.40 : x
  2. Step 2: Convert to fraction form
    2,098,991.67/3,148,569.45 = 660,656.40/x
  3. Step 3: Cross multiply
    2,098,991.67x = 3,148,569.45 × 660,656.40
  4. Step 4: Simplify right side
    2,098,991.67x = 2,080,122,557,986.98
  5. Step 5: Solve for x
    x = 2,080,122,557,986.98/2,098,991.67
  6. Step 6: Final answer
    x = 991,010.39

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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.