Home / 3,180,241.10-4,767,852.72-1,581,931.82

Finding the Fourth Proportional to 3,180,241.10, 4,767,852.72 and 1,581,931.82

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Solution

The fourth proportional to 3,180,241.10, 4,767,852.72 and 1,581,931.82 is: 2,371,649.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,241.10 : 4,767,852.72 = 1,581,931.82 : x
  2. Step 2: Convert to fraction form
    3,180,241.10/4,767,852.72 = 1,581,931.82/x
  3. Step 3: Cross multiply
    3,180,241.10x = 4,767,852.72 × 1,581,931.82
  4. Step 4: Simplify right side
    3,180,241.10x = 7,542,417,930,841.55
  5. Step 5: Solve for x
    x = 7,542,417,930,841.55/3,180,241.10
  6. Step 6: Final answer
    x = 2,371,649.73

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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.