Home / 2,856,787.28-3,942,360.82-1,550,038.88

Finding the Fourth Proportional to 2,856,787.28, 3,942,360.82 and 1,550,038.88

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Solution

The fourth proportional to 2,856,787.28, 3,942,360.82 and 1,550,038.88 is: 2,139,050.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,787.28 : 3,942,360.82 = 1,550,038.88 : x
  2. Step 2: Convert to fraction form
    2,856,787.28/3,942,360.82 = 1,550,038.88/x
  3. Step 3: Cross multiply
    2,856,787.28x = 3,942,360.82 × 1,550,038.88
  4. Step 4: Simplify right side
    2,856,787.28x = 6,110,812,561,782.13
  5. Step 5: Solve for x
    x = 6,110,812,561,782.13/2,856,787.28
  6. Step 6: Final answer
    x = 2,139,050.61

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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.