Home / 2,754,569.40-4,131,854.10-2,116,840.20

Finding the Fourth Proportional to 2,754,569.40, 4,131,854.10 and 2,116,840.20

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Solution

The fourth proportional to 2,754,569.40, 4,131,854.10 and 2,116,840.20 is: 3,175,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754,569.40 : 4,131,854.10 = 2,116,840.20 : x
  2. Step 2: Convert to fraction form
    2,754,569.40/4,131,854.10 = 2,116,840.20/x
  3. Step 3: Cross multiply
    2,754,569.40x = 4,131,854.10 × 2,116,840.20
  4. Step 4: Simplify right side
    2,754,569.40x = 8,746,474,859,414.82
  5. Step 5: Solve for x
    x = 8,746,474,859,414.82/2,754,569.40
  6. Step 6: Final answer
    x = 3,175,260.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.