Home / 2,666,513.84-3,679,778.90-1,442,821.73

Finding the Fourth Proportional to 2,666,513.84, 3,679,778.90 and 1,442,821.73

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Solution

The fourth proportional to 2,666,513.84, 3,679,778.90 and 1,442,821.73 is: 1,991,088.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,513.84 : 3,679,778.90 = 1,442,821.73 : x
  2. Step 2: Convert to fraction form
    2,666,513.84/3,679,778.90 = 1,442,821.73/x
  3. Step 3: Cross multiply
    2,666,513.84x = 3,679,778.90 × 1,442,821.73
  4. Step 4: Simplify right side
    2,666,513.84x = 5,309,264,932,902.49
  5. Step 5: Solve for x
    x = 5,309,264,932,902.49/2,666,513.84
  6. Step 6: Final answer
    x = 1,991,088.46

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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.