Home / 2,176,197.66-3,002,961.75-1,209,266.70

Finding the Fourth Proportional to 2,176,197.66, 3,002,961.75 and 1,209,266.70

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Solution

The fourth proportional to 2,176,197.66, 3,002,961.75 and 1,209,266.70 is: 1,668,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,197.66 : 3,002,961.75 = 1,209,266.70 : x
  2. Step 2: Convert to fraction form
    2,176,197.66/3,002,961.75 = 1,209,266.70/x
  3. Step 3: Cross multiply
    2,176,197.66x = 3,002,961.75 × 1,209,266.70
  4. Step 4: Simplify right side
    2,176,197.66x = 3,631,381,645,648.73
  5. Step 5: Solve for x
    x = 3,631,381,645,648.73/2,176,197.66
  6. Step 6: Final answer
    x = 1,668,681.90

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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.