Home / 2,141,939.76-3,208,535.64-1,195,814.40

Finding the Fourth Proportional to 2,141,939.76, 3,208,535.64 and 1,195,814.40

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Solution

The fourth proportional to 2,141,939.76, 3,208,535.64 and 1,195,814.40 is: 1,791,279.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,939.76 : 3,208,535.64 = 1,195,814.40 : x
  2. Step 2: Convert to fraction form
    2,141,939.76/3,208,535.64 = 1,195,814.40/x
  3. Step 3: Cross multiply
    2,141,939.76x = 3,208,535.64 × 1,195,814.40
  4. Step 4: Simplify right side
    2,141,939.76x = 3,836,813,121,225.22
  5. Step 5: Solve for x
    x = 3,836,813,121,225.22/2,141,939.76
  6. Step 6: Final answer
    x = 1,791,279.66

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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.