Home / 2,817,794.15-3,888,553.95-1,528,634.78

Finding the Fourth Proportional to 2,817,794.15, 3,888,553.95 and 1,528,634.78

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Solution

The fourth proportional to 2,817,794.15, 3,888,553.95 and 1,528,634.78 is: 2,109,514.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817,794.15 : 3,888,553.95 = 1,528,634.78 : x
  2. Step 2: Convert to fraction form
    2,817,794.15/3,888,553.95 = 1,528,634.78/x
  3. Step 3: Cross multiply
    2,817,794.15x = 3,888,553.95 × 1,528,634.78
  4. Step 4: Simplify right side
    2,817,794.15x = 5,944,178,811,876.38
  5. Step 5: Solve for x
    x = 5,944,178,811,876.38/2,817,794.15
  6. Step 6: Final answer
    x = 2,109,514.92

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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.