Home / 2,756,155.05-4,134,784.43-1,543,456.25

Finding the Fourth Proportional to 2,756,155.05, 4,134,784.43 and 1,543,456.25

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Solution

The fourth proportional to 2,756,155.05, 4,134,784.43 and 1,543,456.25 is: 2,315,493.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756,155.05 : 4,134,784.43 = 1,543,456.25 : x
  2. Step 2: Convert to fraction form
    2,756,155.05/4,134,784.43 = 1,543,456.25/x
  3. Step 3: Cross multiply
    2,756,155.05x = 4,134,784.43 × 1,543,456.25
  4. Step 4: Simplify right side
    2,756,155.05x = 6,381,858,869,576.35
  5. Step 5: Solve for x
    x = 6,381,858,869,576.35/2,756,155.05
  6. Step 6: Final answer
    x = 2,315,493.42

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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.