Home / 2,814,456.78-4,221,685.17-684,542.34

Finding the Fourth Proportional to 2,814,456.78, 4,221,685.17 and 684,542.34

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Solution

The fourth proportional to 2,814,456.78, 4,221,685.17 and 684,542.34 is: 1,026,813.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814,456.78 : 4,221,685.17 = 684,542.34 : x
  2. Step 2: Convert to fraction form
    2,814,456.78/4,221,685.17 = 684,542.34/x
  3. Step 3: Cross multiply
    2,814,456.78x = 4,221,685.17 × 684,542.34
  4. Step 4: Simplify right side
    2,814,456.78x = 2,889,922,245,015.10
  5. Step 5: Solve for x
    x = 2,889,922,245,015.10/2,814,456.78
  6. Step 6: Final answer
    x = 1,026,813.51

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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.