Home / 1,868,863.19-2,580,151.52-1,225,405.87

Finding the Fourth Proportional to 1,868,863.19, 2,580,151.52 and 1,225,405.87

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Solution

The fourth proportional to 1,868,863.19, 2,580,151.52 and 1,225,405.87 is: 1,691,794.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,863.19 : 2,580,151.52 = 1,225,405.87 : x
  2. Step 2: Convert to fraction form
    1,868,863.19/2,580,151.52 = 1,225,405.87/x
  3. Step 3: Cross multiply
    1,868,863.19x = 2,580,151.52 × 1,225,405.87
  4. Step 4: Simplify right side
    1,868,863.19x = 3,161,732,814,710.56
  5. Step 5: Solve for x
    x = 3,161,732,814,710.56/1,868,863.19
  6. Step 6: Final answer
    x = 1,691,794.69

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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.