Home / 5,115,929.60-7,685,299.20-4,276,121.60

Finding the Fourth Proportional to 5,115,929.60, 7,685,299.20 and 4,276,121.60

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Solution

The fourth proportional to 5,115,929.60, 7,685,299.20 and 4,276,121.60 is: 6,423,715.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115,929.60 : 7,685,299.20 = 4,276,121.60 : x
  2. Step 2: Convert to fraction form
    5,115,929.60/7,685,299.20 = 4,276,121.60/x
  3. Step 3: Cross multiply
    5,115,929.60x = 7,685,299.20 × 4,276,121.60
  4. Step 4: Simplify right side
    5,115,929.60x = 32,863,273,911,582.72
  5. Step 5: Solve for x
    x = 32,863,273,911,582.72/5,115,929.60
  6. Step 6: Final answer
    x = 6,423,715.04

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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.