Home / 3,878,237.43-5,818,466.07-1,320,016.05

Finding the Fourth Proportional to 3,878,237.43, 5,818,466.07 and 1,320,016.05

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Solution

The fourth proportional to 3,878,237.43, 5,818,466.07 and 1,320,016.05 is: 1,980,401.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,237.43 : 5,818,466.07 = 1,320,016.05 : x
  2. Step 2: Convert to fraction form
    3,878,237.43/5,818,466.07 = 1,320,016.05/x
  3. Step 3: Cross multiply
    3,878,237.43x = 5,818,466.07 × 1,320,016.05
  4. Step 4: Simplify right side
    3,878,237.43x = 7,680,468,598,780.42
  5. Step 5: Solve for x
    x = 7,680,468,598,780.42/3,878,237.43
  6. Step 6: Final answer
    x = 1,980,401.85

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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.