Home / 5,000,111.89-7,500,113.16-1,213,594.76

Finding the Fourth Proportional to 5,000,111.89, 7,500,113.16 and 1,213,594.76

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Solution

The fourth proportional to 5,000,111.89, 7,500,113.16 and 1,213,594.76 is: 1,820,378.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000,111.89 : 7,500,113.16 = 1,213,594.76 : x
  2. Step 2: Convert to fraction form
    5,000,111.89/7,500,113.16 = 1,213,594.76/x
  3. Step 3: Cross multiply
    5,000,111.89x = 7,500,113.16 × 1,213,594.76
  4. Step 4: Simplify right side
    5,000,111.89x = 9,102,098,057,689.71
  5. Step 5: Solve for x
    x = 9,102,098,057,689.71/5,000,111.89
  6. Step 6: Final answer
    x = 1,820,378.88

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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.