Home / 2,177,932.38-3,005,423.24-1,211,041.91

Finding the Fourth Proportional to 2,177,932.38, 3,005,423.24 and 1,211,041.91

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Solution

The fourth proportional to 2,177,932.38, 3,005,423.24 and 1,211,041.91 is: 1,671,169.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,932.38 : 3,005,423.24 = 1,211,041.91 : x
  2. Step 2: Convert to fraction form
    2,177,932.38/3,005,423.24 = 1,211,041.91/x
  3. Step 3: Cross multiply
    2,177,932.38x = 3,005,423.24 × 1,211,041.91
  4. Step 4: Simplify right side
    2,177,932.38x = 3,639,693,500,927.99
  5. Step 5: Solve for x
    x = 3,639,693,500,927.99/2,177,932.38
  6. Step 6: Final answer
    x = 1,671,169.19

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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.