Home / 3,416,639.70-5,126,927.85-1,288,251.30

Finding the Fourth Proportional to 3,416,639.70, 5,126,927.85 and 1,288,251.30

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Solution

The fourth proportional to 3,416,639.70, 5,126,927.85 and 1,288,251.30 is: 1,933,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416,639.70 : 5,126,927.85 = 1,288,251.30 : x
  2. Step 2: Convert to fraction form
    3,416,639.70/5,126,927.85 = 1,288,251.30/x
  3. Step 3: Cross multiply
    3,416,639.70x = 5,126,927.85 × 1,288,251.30
  4. Step 4: Simplify right side
    3,416,639.70x = 6,604,771,467,768.71
  5. Step 5: Solve for x
    x = 6,604,771,467,768.71/3,416,639.70
  6. Step 6: Final answer
    x = 1,933,119.10

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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.