Home / 3,965,687.92-5,472,683.94-2,154,851.92

Finding the Fourth Proportional to 3,965,687.92, 5,472,683.94 and 2,154,851.92

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Solution

The fourth proportional to 3,965,687.92, 5,472,683.94 and 2,154,851.92 is: 2,973,714.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965,687.92 : 5,472,683.94 = 2,154,851.92 : x
  2. Step 2: Convert to fraction form
    3,965,687.92/5,472,683.94 = 2,154,851.92/x
  3. Step 3: Cross multiply
    3,965,687.92x = 5,472,683.94 × 2,154,851.92
  4. Step 4: Simplify right side
    3,965,687.92x = 11,792,823,495,662.17
  5. Step 5: Solve for x
    x = 11,792,823,495,662.17/3,965,687.92
  6. Step 6: Final answer
    x = 2,973,714.46

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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.