Home / 2,696,621.48-4,044,794.61-990,633.90

Finding the Fourth Proportional to 2,696,621.48, 4,044,794.61 and 990,633.90

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Solution

The fourth proportional to 2,696,621.48, 4,044,794.61 and 990,633.90 is: 1,485,900.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696,621.48 : 4,044,794.61 = 990,633.90 : x
  2. Step 2: Convert to fraction form
    2,696,621.48/4,044,794.61 = 990,633.90/x
  3. Step 3: Cross multiply
    2,696,621.48x = 4,044,794.61 × 990,633.90
  4. Step 4: Simplify right side
    2,696,621.48x = 4,006,910,678,086.14
  5. Step 5: Solve for x
    x = 4,006,910,678,086.14/2,696,621.48
  6. Step 6: Final answer
    x = 1,485,900.31

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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.