Home / 4,218,917.21-5,822,105.95-2,285,177.79

Finding the Fourth Proportional to 4,218,917.21, 5,822,105.95 and 2,285,177.79

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Solution

The fourth proportional to 4,218,917.21, 5,822,105.95 and 2,285,177.79 is: 3,153,545.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218,917.21 : 5,822,105.95 = 2,285,177.79 : x
  2. Step 2: Convert to fraction form
    4,218,917.21/5,822,105.95 = 2,285,177.79/x
  3. Step 3: Cross multiply
    4,218,917.21x = 5,822,105.95 × 2,285,177.79
  4. Step 4: Simplify right side
    4,218,917.21x = 13,304,547,207,966.85
  5. Step 5: Solve for x
    x = 13,304,547,207,966.85/4,218,917.21
  6. Step 6: Final answer
    x = 3,153,545.46

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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.