Home / 3,390,728.11-5,086,354.70-961,840.44

Finding the Fourth Proportional to 3,390,728.11, 5,086,354.70 and 961,840.44

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Solution

The fourth proportional to 3,390,728.11, 5,086,354.70 and 961,840.44 is: 1,442,835.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,728.11 : 5,086,354.70 = 961,840.44 : x
  2. Step 2: Convert to fraction form
    3,390,728.11/5,086,354.70 = 961,840.44/x
  3. Step 3: Cross multiply
    3,390,728.11x = 5,086,354.70 × 961,840.44
  4. Step 4: Simplify right side
    3,390,728.11x = 4,892,261,645,048.67
  5. Step 5: Solve for x
    x = 4,892,261,645,048.67/3,390,728.11
  6. Step 6: Final answer
    x = 1,442,835.13

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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.