Home / 2,117,580.69-3,176,108.40-1,253,529.75

Finding the Fourth Proportional to 2,117,580.69, 3,176,108.40 and 1,253,529.75

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Solution

The fourth proportional to 2,117,580.69, 3,176,108.40 and 1,253,529.75 is: 1,880,139.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,580.69 : 3,176,108.40 = 1,253,529.75 : x
  2. Step 2: Convert to fraction form
    2,117,580.69/3,176,108.40 = 1,253,529.75/x
  3. Step 3: Cross multiply
    2,117,580.69x = 3,176,108.40 × 1,253,529.75
  4. Step 4: Simplify right side
    2,117,580.69x = 3,981,346,368,624.90
  5. Step 5: Solve for x
    x = 3,981,346,368,624.90/2,117,580.69
  6. Step 6: Final answer
    x = 1,880,139.15

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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.