Home / 3,964,915.87-5,470,529.02-2,288,074.18

Finding the Fourth Proportional to 3,964,915.87, 5,470,529.02 and 2,288,074.18

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Solution

The fourth proportional to 3,964,915.87, 5,470,529.02 and 2,288,074.18 is: 3,156,933.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964,915.87 : 5,470,529.02 = 2,288,074.18 : x
  2. Step 2: Convert to fraction form
    3,964,915.87/5,470,529.02 = 2,288,074.18/x
  3. Step 3: Cross multiply
    3,964,915.87x = 5,470,529.02 × 2,288,074.18
  4. Step 4: Simplify right side
    3,964,915.87x = 12,516,976,201,602.70
  5. Step 5: Solve for x
    x = 12,516,976,201,602.70/3,964,915.87
  6. Step 6: Final answer
    x = 3,156,933.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.