Home / 3,469,856.16-4,788,400.80-1,941,963.20

Finding the Fourth Proportional to 3,469,856.16, 4,788,400.80 and 1,941,963.20

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Solution

The fourth proportional to 3,469,856.16, 4,788,400.80 and 1,941,963.20 is: 2,679,908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469,856.16 : 4,788,400.80 = 1,941,963.20 : x
  2. Step 2: Convert to fraction form
    3,469,856.16/4,788,400.80 = 1,941,963.20/x
  3. Step 3: Cross multiply
    3,469,856.16x = 4,788,400.80 × 1,941,963.20
  4. Step 4: Simplify right side
    3,469,856.16x = 9,298,898,140,450.56
  5. Step 5: Solve for x
    x = 9,298,898,140,450.56/3,469,856.16
  6. Step 6: Final answer
    x = 2,679,908.82

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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.