Home / 3,305,312.20-4,954,031.70-1,386,219.70

Finding the Fourth Proportional to 3,305,312.20, 4,954,031.70 and 1,386,219.70

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Solution

The fourth proportional to 3,305,312.20, 4,954,031.70 and 1,386,219.70 is: 2,077,678.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305,312.20 : 4,954,031.70 = 1,386,219.70 : x
  2. Step 2: Convert to fraction form
    3,305,312.20/4,954,031.70 = 1,386,219.70/x
  3. Step 3: Cross multiply
    3,305,312.20x = 4,954,031.70 × 1,386,219.70
  4. Step 4: Simplify right side
    3,305,312.20x = 6,867,376,336,964.49
  5. Step 5: Solve for x
    x = 6,867,376,336,964.49/3,305,312.20
  6. Step 6: Final answer
    x = 2,077,678.57

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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.