Home / 5,380,134.40-8,072,364.30-2,185,510.60

Finding the Fourth Proportional to 5,380,134.40, 8,072,364.30 and 2,185,510.60

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Solution

The fourth proportional to 5,380,134.40, 8,072,364.30 and 2,185,510.60 is: 3,279,144.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380,134.40 : 8,072,364.30 = 2,185,510.60 : x
  2. Step 2: Convert to fraction form
    5,380,134.40/8,072,364.30 = 2,185,510.60/x
  3. Step 3: Cross multiply
    5,380,134.40x = 8,072,364.30 × 2,185,510.60
  4. Step 4: Simplify right side
    5,380,134.40x = 17,642,237,744,711.58
  5. Step 5: Solve for x
    x = 17,642,237,744,711.58/5,380,134.40
  6. Step 6: Final answer
    x = 3,279,144.43

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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.