Home / 5,000,112.89-7,500,114.66-1,213,595.76

Finding the Fourth Proportional to 5,000,112.89, 7,500,114.66 and 1,213,595.76

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Solution

The fourth proportional to 5,000,112.89, 7,500,114.66 and 1,213,595.76 is: 1,820,380.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000,112.89 : 7,500,114.66 = 1,213,595.76 : x
  2. Step 2: Convert to fraction form
    5,000,112.89/7,500,114.66 = 1,213,595.76/x
  3. Step 3: Cross multiply
    5,000,112.89x = 7,500,114.66 × 1,213,595.76
  4. Step 4: Simplify right side
    5,000,112.89x = 9,102,107,350,889.84
  5. Step 5: Solve for x
    x = 9,102,107,350,889.84/5,000,112.89
  6. Step 6: Final answer
    x = 1,820,380.37

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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.