Home / 3,028,872.70-4,543,309.05-1,109,780.20

Finding the Fourth Proportional to 3,028,872.70, 4,543,309.05 and 1,109,780.20

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Solution

The fourth proportional to 3,028,872.70, 4,543,309.05 and 1,109,780.20 is: 1,664,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028,872.70 : 4,543,309.05 = 1,109,780.20 : x
  2. Step 2: Convert to fraction form
    3,028,872.70/4,543,309.05 = 1,109,780.20/x
  3. Step 3: Cross multiply
    3,028,872.70x = 4,543,309.05 × 1,109,780.20
  4. Step 4: Simplify right side
    3,028,872.70x = 5,042,074,426,170.81
  5. Step 5: Solve for x
    x = 5,042,074,426,170.81/3,028,872.70
  6. Step 6: Final answer
    x = 1,664,670.30

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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.