Home / 1,929,949.60-2,894,931.84-807,231.04

Finding the Fourth Proportional to 1,929,949.60, 2,894,931.84 and 807,231.04

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Solution

The fourth proportional to 1,929,949.60, 2,894,931.84 and 807,231.04 is: 1,210,849.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,949.60 : 2,894,931.84 = 807,231.04 : x
  2. Step 2: Convert to fraction form
    1,929,949.60/2,894,931.84 = 807,231.04/x
  3. Step 3: Cross multiply
    1,929,949.60x = 2,894,931.84 × 807,231.04
  4. Step 4: Simplify right side
    1,929,949.60x = 2,336,878,839,932.31
  5. Step 5: Solve for x
    x = 2,336,878,839,932.31/1,929,949.60
  6. Step 6: Final answer
    x = 1,210,849.67

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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.