Home / 5,377,482.36-8,069,947.83-2,138,687.55

Finding the Fourth Proportional to 5,377,482.36, 8,069,947.83 and 2,138,687.55

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Solution

The fourth proportional to 5,377,482.36, 8,069,947.83 and 2,138,687.55 is: 3,209,512.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,482.36 : 8,069,947.83 = 2,138,687.55 : x
  2. Step 2: Convert to fraction form
    5,377,482.36/8,069,947.83 = 2,138,687.55/x
  3. Step 3: Cross multiply
    5,377,482.36x = 8,069,947.83 × 2,138,687.55
  4. Step 4: Simplify right side
    5,377,482.36x = 17,259,096,953,170.52
  5. Step 5: Solve for x
    x = 17,259,096,953,170.52/5,377,482.36
  6. Step 6: Final answer
    x = 3,209,512.52

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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.