Home / 2,758,416.20-4,137,624.30-865,154.60

Finding the Fourth Proportional to 2,758,416.20, 4,137,624.30 and 865,154.60

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Solution

The fourth proportional to 2,758,416.20, 4,137,624.30 and 865,154.60 is: 1,297,731.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,416.20 : 4,137,624.30 = 865,154.60 : x
  2. Step 2: Convert to fraction form
    2,758,416.20/4,137,624.30 = 865,154.60/x
  3. Step 3: Cross multiply
    2,758,416.20x = 4,137,624.30 × 865,154.60
  4. Step 4: Simplify right side
    2,758,416.20x = 3,579,684,696,216.78
  5. Step 5: Solve for x
    x = 3,579,684,696,216.78/2,758,416.20
  6. Step 6: Final answer
    x = 1,297,731.90

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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.