Home / 2,177,932.13-3,005,422.89-1,211,041.66

Finding the Fourth Proportional to 2,177,932.13, 3,005,422.89 and 1,211,041.66

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Solution

The fourth proportional to 2,177,932.13, 3,005,422.89 and 1,211,041.66 is: 1,671,168.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,932.13 : 3,005,422.89 = 1,211,041.66 : x
  2. Step 2: Convert to fraction form
    2,177,932.13/3,005,422.89 = 1,211,041.66/x
  3. Step 3: Cross multiply
    2,177,932.13x = 3,005,422.89 × 1,211,041.66
  4. Step 4: Simplify right side
    2,177,932.13x = 3,639,692,336,248.76
  5. Step 5: Solve for x
    x = 3,639,692,336,248.76/2,177,932.13
  6. Step 6: Final answer
    x = 1,671,168.85

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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.