Home / 2,192,726.80-3,289,055.10-655,725.88

Finding the Fourth Proportional to 2,192,726.80, 3,289,055.10 and 655,725.88

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Solution

The fourth proportional to 2,192,726.80, 3,289,055.10 and 655,725.88 is: 983,578.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,726.80 : 3,289,055.10 = 655,725.88 : x
  2. Step 2: Convert to fraction form
    2,192,726.80/3,289,055.10 = 655,725.88/x
  3. Step 3: Cross multiply
    2,192,726.80x = 3,289,055.10 × 655,725.88
  4. Step 4: Simplify right side
    2,192,726.80x = 2,156,718,549,815.99
  5. Step 5: Solve for x
    x = 2,156,718,549,815.99/2,192,726.80
  6. Step 6: Final answer
    x = 983,578.32

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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.