Home / 3,149,135.70-4,723,703.55-1,257,234.90

Finding the Fourth Proportional to 3,149,135.70, 4,723,703.55 and 1,257,234.90

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Solution

The fourth proportional to 3,149,135.70, 4,723,703.55 and 1,257,234.90 is: 1,885,852.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149,135.70 : 4,723,703.55 = 1,257,234.90 : x
  2. Step 2: Convert to fraction form
    3,149,135.70/4,723,703.55 = 1,257,234.90/x
  3. Step 3: Cross multiply
    3,149,135.70x = 4,723,703.55 × 1,257,234.90
  4. Step 4: Simplify right side
    3,149,135.70x = 5,938,804,960,313.90
  5. Step 5: Solve for x
    x = 5,938,804,960,313.90/3,149,135.70
  6. Step 6: Final answer
    x = 1,885,852.35

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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.