Home / 1,921,476.32-2,883,691.92-1,822,807.52

Finding the Fourth Proportional to 1,921,476.32, 2,883,691.92 and 1,822,807.52

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Solution

The fourth proportional to 1,921,476.32, 2,883,691.92 and 1,822,807.52 is: 2,735,612.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,476.32 : 2,883,691.92 = 1,822,807.52 : x
  2. Step 2: Convert to fraction form
    1,921,476.32/2,883,691.92 = 1,822,807.52/x
  3. Step 3: Cross multiply
    1,921,476.32x = 2,883,691.92 × 1,822,807.52
  4. Step 4: Simplify right side
    1,921,476.32x = 5,256,415,317,139.24
  5. Step 5: Solve for x
    x = 5,256,415,317,139.24/1,921,476.32
  6. Step 6: Final answer
    x = 2,735,612.85

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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.