Home / 1,962,664.47-2,943,249.48-1,288,565.46

Finding the Fourth Proportional to 1,962,664.47, 2,943,249.48 and 1,288,565.46

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Solution

The fourth proportional to 1,962,664.47, 2,943,249.48 and 1,288,565.46 is: 1,932,357.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,664.47 : 2,943,249.48 = 1,288,565.46 : x
  2. Step 2: Convert to fraction form
    1,962,664.47/2,943,249.48 = 1,288,565.46/x
  3. Step 3: Cross multiply
    1,962,664.47x = 2,943,249.48 × 1,288,565.46
  4. Step 4: Simplify right side
    1,962,664.47x = 3,792,569,620,090.96
  5. Step 5: Solve for x
    x = 3,792,569,620,090.96/1,962,664.47
  6. Step 6: Final answer
    x = 1,932,357.61

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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.