Home / 3,521,056.82-5,281,943.28-1,215,249.85

Finding the Fourth Proportional to 3,521,056.82, 5,281,943.28 and 1,215,249.85

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Solution

The fourth proportional to 3,521,056.82, 5,281,943.28 and 1,215,249.85 is: 1,822,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521,056.82 : 5,281,943.28 = 1,215,249.85 : x
  2. Step 2: Convert to fraction form
    3,521,056.82/5,281,943.28 = 1,215,249.85/x
  3. Step 3: Cross multiply
    3,521,056.82x = 5,281,943.28 × 1,215,249.85
  4. Step 4: Simplify right side
    3,521,056.82x = 6,418,880,780,773.75
  5. Step 5: Solve for x
    x = 6,418,880,780,773.75/3,521,056.82
  6. Step 6: Final answer
    x = 1,822,998.35

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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.