Home / 2,078,651.28-3,118,063.68-658,675.92

Finding the Fourth Proportional to 2,078,651.28, 3,118,063.68 and 658,675.92

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Solution

The fourth proportional to 2,078,651.28, 3,118,063.68 and 658,675.92 is: 988,041.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,651.28 : 3,118,063.68 = 658,675.92 : x
  2. Step 2: Convert to fraction form
    2,078,651.28/3,118,063.68 = 658,675.92/x
  3. Step 3: Cross multiply
    2,078,651.28x = 3,118,063.68 × 658,675.92
  4. Step 4: Simplify right side
    2,078,651.28x = 2,053,793,463,042.59
  5. Step 5: Solve for x
    x = 2,053,793,463,042.59/2,078,651.28
  6. Step 6: Final answer
    x = 988,041.37

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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.