Home / 2,754,557.40-4,131,836.10-2,116,828.20

Finding the Fourth Proportional to 2,754,557.40, 4,131,836.10 and 2,116,828.20

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Solution

The fourth proportional to 2,754,557.40, 4,131,836.10 and 2,116,828.20 is: 3,175,242.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754,557.40 : 4,131,836.10 = 2,116,828.20 : x
  2. Step 2: Convert to fraction form
    2,754,557.40/4,131,836.10 = 2,116,828.20/x
  3. Step 3: Cross multiply
    2,754,557.40x = 4,131,836.10 × 2,116,828.20
  4. Step 4: Simplify right side
    2,754,557.40x = 8,746,387,174,258.02
  5. Step 5: Solve for x
    x = 8,746,387,174,258.02/2,754,557.40
  6. Step 6: Final answer
    x = 3,175,242.30

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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.