Home / 2,838,989.32-3,917,872.40-1,549,839.40

Finding the Fourth Proportional to 2,838,989.32, 3,917,872.40 and 1,549,839.40

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Solution

The fourth proportional to 2,838,989.32, 3,917,872.40 and 1,549,839.40 is: 2,138,815.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838,989.32 : 3,917,872.40 = 1,549,839.40 : x
  2. Step 2: Convert to fraction form
    2,838,989.32/3,917,872.40 = 1,549,839.40/x
  3. Step 3: Cross multiply
    2,838,989.32x = 3,917,872.40 × 1,549,839.40
  4. Step 4: Simplify right side
    2,838,989.32x = 6,072,073,009,692.56
  5. Step 5: Solve for x
    x = 6,072,073,009,692.56/2,838,989.32
  6. Step 6: Final answer
    x = 2,138,815.02

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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.