Home / 1,872,015.40-2,808,023.10-1,536,092.20

Finding the Fourth Proportional to 1,872,015.40, 2,808,023.10 and 1,536,092.20

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Solution

The fourth proportional to 1,872,015.40, 2,808,023.10 and 1,536,092.20 is: 2,304,138.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,015.40 : 2,808,023.10 = 1,536,092.20 : x
  2. Step 2: Convert to fraction form
    1,872,015.40/2,808,023.10 = 1,536,092.20/x
  3. Step 3: Cross multiply
    1,872,015.40x = 2,808,023.10 × 1,536,092.20
  4. Step 4: Simplify right side
    1,872,015.40x = 4,313,382,381,329.82
  5. Step 5: Solve for x
    x = 4,313,382,381,329.82/1,872,015.40
  6. Step 6: Final answer
    x = 2,304,138.30

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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.