Home / 2,615,315.75-3,922,968.16-722,051.72

Finding the Fourth Proportional to 2,615,315.75, 3,922,968.16 and 722,051.72

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Solution

The fourth proportional to 2,615,315.75, 3,922,968.16 and 722,051.72 is: 1,083,076.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615,315.75 : 3,922,968.16 = 722,051.72 : x
  2. Step 2: Convert to fraction form
    2,615,315.75/3,922,968.16 = 722,051.72/x
  3. Step 3: Cross multiply
    2,615,315.75x = 3,922,968.16 × 722,051.72
  4. Step 4: Simplify right side
    2,615,315.75x = 2,832,585,899,370.55
  5. Step 5: Solve for x
    x = 2,832,585,899,370.55/2,615,315.75
  6. Step 6: Final answer
    x = 1,083,076.07

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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.