Home / 4,231,311.40-6,346,319.10-1,391,429.80

Finding the Fourth Proportional to 4,231,311.40, 6,346,319.10 and 1,391,429.80

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Solution

The fourth proportional to 4,231,311.40, 6,346,319.10 and 1,391,429.80 is: 2,086,931.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231,311.40 : 6,346,319.10 = 1,391,429.80 : x
  2. Step 2: Convert to fraction form
    4,231,311.40/6,346,319.10 = 1,391,429.80/x
  3. Step 3: Cross multiply
    4,231,311.40x = 6,346,319.10 × 1,391,429.80
  4. Step 4: Simplify right side
    4,231,311.40x = 8,830,457,516,049.18
  5. Step 5: Solve for x
    x = 8,830,457,516,049.18/4,231,311.40
  6. Step 6: Final answer
    x = 2,086,931.61

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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.