Home / 2,178,391.08-3,006,400.14-1,248,222

Finding the Fourth Proportional to 2,178,391.08, 3,006,400.14 and 1,248,222

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Solution

The fourth proportional to 2,178,391.08, 3,006,400.14 and 1,248,222 is: 1,722,672.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,391.08 : 3,006,400.14 = 1,248,222 : x
  2. Step 2: Convert to fraction form
    2,178,391.08/3,006,400.14 = 1,248,222/x
  3. Step 3: Cross multiply
    2,178,391.08x = 3,006,400.14 × 1,248,222
  4. Step 4: Simplify right side
    2,178,391.08x = 3,752,654,795,551.08
  5. Step 5: Solve for x
    x = 3,752,654,795,551.08/2,178,391.08
  6. Step 6: Final answer
    x = 1,722,672.68

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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.