Home / 3,013,032.62-4,158,647.06-1,980,635.78

Finding the Fourth Proportional to 3,013,032.62, 4,158,647.06 and 1,980,635.78

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Solution

The fourth proportional to 3,013,032.62, 4,158,647.06 and 1,980,635.78 is: 2,733,712.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013,032.62 : 4,158,647.06 = 1,980,635.78 : x
  2. Step 2: Convert to fraction form
    3,013,032.62/4,158,647.06 = 1,980,635.78/x
  3. Step 3: Cross multiply
    3,013,032.62x = 4,158,647.06 × 1,980,635.78
  4. Step 4: Simplify right side
    3,013,032.62x = 8,236,765,147,586.16
  5. Step 5: Solve for x
    x = 8,236,765,147,586.16/3,013,032.62
  6. Step 6: Final answer
    x = 2,733,712.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.