Home / 5,321,531.40-7,983,333.90-2,126,113.80

Finding the Fourth Proportional to 5,321,531.40, 7,983,333.90 and 2,126,113.80

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Solution

The fourth proportional to 5,321,531.40, 7,983,333.90 and 2,126,113.80 is: 3,189,584.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321,531.40 : 7,983,333.90 = 2,126,113.80 : x
  2. Step 2: Convert to fraction form
    5,321,531.40/7,983,333.90 = 2,126,113.80/x
  3. Step 3: Cross multiply
    5,321,531.40x = 7,983,333.90 × 2,126,113.80
  4. Step 4: Simplify right side
    5,321,531.40x = 16,973,476,374,797.82
  5. Step 5: Solve for x
    x = 16,973,476,374,797.82/5,321,531.40
  6. Step 6: Final answer
    x = 3,189,584.93

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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.