Home / 2,177,932.32-3,005,423.15-1,211,041.85

Finding the Fourth Proportional to 2,177,932.32, 3,005,423.15 and 1,211,041.85

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Solution

The fourth proportional to 2,177,932.32, 3,005,423.15 and 1,211,041.85 is: 1,671,169.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,932.32 : 3,005,423.15 = 1,211,041.85 : x
  2. Step 2: Convert to fraction form
    2,177,932.32/3,005,423.15 = 1,211,041.85/x
  3. Step 3: Cross multiply
    2,177,932.32x = 3,005,423.15 × 1,211,041.85
  4. Step 4: Simplify right side
    2,177,932.32x = 3,639,693,211,608.83
  5. Step 5: Solve for x
    x = 3,639,693,211,608.83/2,177,932.32
  6. Step 6: Final answer
    x = 1,671,169.11

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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.