Home / 2,111,414.92-2,911,871.20-1,646,384

Finding the Fourth Proportional to 2,111,414.92, 2,911,871.20 and 1,646,384

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Solution

The fourth proportional to 2,111,414.92, 2,911,871.20 and 1,646,384 is: 2,270,542.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,414.92 : 2,911,871.20 = 1,646,384 : x
  2. Step 2: Convert to fraction form
    2,111,414.92/2,911,871.20 = 1,646,384/x
  3. Step 3: Cross multiply
    2,111,414.92x = 2,911,871.20 × 1,646,384
  4. Step 4: Simplify right side
    2,111,414.92x = 4,794,058,153,740.80
  5. Step 5: Solve for x
    x = 4,794,058,153,740.80/2,111,414.92
  6. Step 6: Final answer
    x = 2,270,542.90

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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.