Home / 2,808,990.52-3,876,379.32-1,519,802.62

Finding the Fourth Proportional to 2,808,990.52, 3,876,379.32 and 1,519,802.62

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Solution

The fourth proportional to 2,808,990.52, 3,876,379.32 and 1,519,802.62 is: 2,097,312.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,990.52 : 3,876,379.32 = 1,519,802.62 : x
  2. Step 2: Convert to fraction form
    2,808,990.52/3,876,379.32 = 1,519,802.62/x
  3. Step 3: Cross multiply
    2,808,990.52x = 3,876,379.32 × 1,519,802.62
  4. Step 4: Simplify right side
    2,808,990.52x = 5,891,331,446,649.82
  5. Step 5: Solve for x
    x = 5,891,331,446,649.82/2,808,990.52
  6. Step 6: Final answer
    x = 2,097,312.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.