Home / 3,468,820.46-4,786,401.20-2,178,741.96

Finding the Fourth Proportional to 3,468,820.46, 4,786,401.20 and 2,178,741.96

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Solution

The fourth proportional to 3,468,820.46, 4,786,401.20 and 2,178,741.96 is: 3,006,305.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468,820.46 : 4,786,401.20 = 2,178,741.96 : x
  2. Step 2: Convert to fraction form
    3,468,820.46/4,786,401.20 = 2,178,741.96/x
  3. Step 3: Cross multiply
    3,468,820.46x = 4,786,401.20 × 2,178,741.96
  4. Step 4: Simplify right side
    3,468,820.46x = 10,428,333,120,940.64
  5. Step 5: Solve for x
    x = 10,428,333,120,940.64/3,468,820.46
  6. Step 6: Final answer
    x = 3,006,305.24

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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.