Home / 2,126,007.20-3,187,916.40-629,904.80

Finding the Fourth Proportional to 2,126,007.20, 3,187,916.40 and 629,904.80

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Solution

The fourth proportional to 2,126,007.20, 3,187,916.40 and 629,904.80 is: 944,532.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,007.20 : 3,187,916.40 = 629,904.80 : x
  2. Step 2: Convert to fraction form
    2,126,007.20/3,187,916.40 = 629,904.80/x
  3. Step 3: Cross multiply
    2,126,007.20x = 3,187,916.40 × 629,904.80
  4. Step 4: Simplify right side
    2,126,007.20x = 2,008,083,842,358.72
  5. Step 5: Solve for x
    x = 2,008,083,842,358.72/2,126,007.20
  6. Step 6: Final answer
    x = 944,532.95

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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.