Home / 1,954,136.30-2,931,204.45-1,282,289.90

Finding the Fourth Proportional to 1,954,136.30, 2,931,204.45 and 1,282,289.90

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Solution

The fourth proportional to 1,954,136.30, 2,931,204.45 and 1,282,289.90 is: 1,923,434.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,136.30 : 2,931,204.45 = 1,282,289.90 : x
  2. Step 2: Convert to fraction form
    1,954,136.30/2,931,204.45 = 1,282,289.90/x
  3. Step 3: Cross multiply
    1,954,136.30x = 2,931,204.45 × 1,282,289.90
  4. Step 4: Simplify right side
    1,954,136.30x = 3,758,653,861,070.06
  5. Step 5: Solve for x
    x = 3,758,653,861,070.06/1,954,136.30
  6. Step 6: Final answer
    x = 1,923,434.85

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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.