Home / 2,109,052.80-2,910,456.90-1,142,175.24

Finding the Fourth Proportional to 2,109,052.80, 2,910,456.90 and 1,142,175.24

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Solution

The fourth proportional to 2,109,052.80, 2,910,456.90 and 1,142,175.24 is: 1,576,182.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,052.80 : 2,910,456.90 = 1,142,175.24 : x
  2. Step 2: Convert to fraction form
    2,109,052.80/2,910,456.90 = 1,142,175.24/x
  3. Step 3: Cross multiply
    2,109,052.80x = 2,910,456.90 × 1,142,175.24
  4. Step 4: Simplify right side
    2,109,052.80x = 3,324,251,808,267.16
  5. Step 5: Solve for x
    x = 3,324,251,808,267.16/2,109,052.80
  6. Step 6: Final answer
    x = 1,576,182.35

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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.