Home / 2,091,728.12-3,138,919.38-893,659.50

Finding the Fourth Proportional to 2,091,728.12, 3,138,919.38 and 893,659.50

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Solution

The fourth proportional to 2,091,728.12, 3,138,919.38 and 893,659.50 is: 1,341,056.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,728.12 : 3,138,919.38 = 893,659.50 : x
  2. Step 2: Convert to fraction form
    2,091,728.12/3,138,919.38 = 893,659.50/x
  3. Step 3: Cross multiply
    2,091,728.12x = 3,138,919.38 × 893,659.50
  4. Step 4: Simplify right side
    2,091,728.12x = 2,805,125,123,671.11
  5. Step 5: Solve for x
    x = 2,805,125,123,671.11/2,091,728.12
  6. Step 6: Final answer
    x = 1,341,056.28

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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.