Home / 2,777,306.52-4,159,233.36-1,921,982.16

Finding the Fourth Proportional to 2,777,306.52, 4,159,233.36 and 1,921,982.16

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Solution

The fourth proportional to 2,777,306.52, 4,159,233.36 and 1,921,982.16 is: 2,878,318.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777,306.52 : 4,159,233.36 = 1,921,982.16 : x
  2. Step 2: Convert to fraction form
    2,777,306.52/4,159,233.36 = 1,921,982.16/x
  3. Step 3: Cross multiply
    2,777,306.52x = 4,159,233.36 × 1,921,982.16
  4. Step 4: Simplify right side
    2,777,306.52x = 7,993,972,317,196.86
  5. Step 5: Solve for x
    x = 7,993,972,317,196.86/2,777,306.52
  6. Step 6: Final answer
    x = 2,878,318.35

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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.