Home / 5,228,854.78-7,844,543.10-1,816,644.73

Finding the Fourth Proportional to 5,228,854.78, 7,844,543.10 and 1,816,644.73

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Solution

The fourth proportional to 5,228,854.78, 7,844,543.10 and 1,816,644.73 is: 2,725,405.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,854.78 : 7,844,543.10 = 1,816,644.73 : x
  2. Step 2: Convert to fraction form
    5,228,854.78/7,844,543.10 = 1,816,644.73/x
  3. Step 3: Cross multiply
    5,228,854.78x = 7,844,543.10 × 1,816,644.73
  4. Step 4: Simplify right side
    5,228,854.78x = 14,250,747,881,872.86
  5. Step 5: Solve for x
    x = 14,250,747,881,872.86/5,228,854.78
  6. Step 6: Final answer
    x = 2,725,405.18

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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.