Home / 3,158,020.05-4,739,146.03-1,108,686.68

Finding the Fourth Proportional to 3,158,020.05, 4,739,146.03 and 1,108,686.68

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Solution

The fourth proportional to 3,158,020.05, 4,739,146.03 and 1,108,686.68 is: 1,663,772.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,020.05 : 4,739,146.03 = 1,108,686.68 : x
  2. Step 2: Convert to fraction form
    3,158,020.05/4,739,146.03 = 1,108,686.68/x
  3. Step 3: Cross multiply
    3,158,020.05x = 4,739,146.03 × 1,108,686.68
  4. Step 4: Simplify right side
    3,158,020.05x = 5,254,228,078,035.88
  5. Step 5: Solve for x
    x = 5,254,228,078,035.88/3,158,020.05
  6. Step 6: Final answer
    x = 1,663,772.87

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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.