Home / 2,615,565.51-3,923,421.89-722,306.95

Finding the Fourth Proportional to 2,615,565.51, 3,923,421.89 and 722,306.95

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Solution

The fourth proportional to 2,615,565.51, 3,923,421.89 and 722,306.95 is: 1,083,480.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615,565.51 : 3,923,421.89 = 722,306.95 : x
  2. Step 2: Convert to fraction form
    2,615,565.51/3,923,421.89 = 722,306.95/x
  3. Step 3: Cross multiply
    2,615,565.51x = 3,923,421.89 × 722,306.95
  4. Step 4: Simplify right side
    2,615,565.51x = 2,833,914,885,509.05
  5. Step 5: Solve for x
    x = 2,833,914,885,509.05/2,615,565.51
  6. Step 6: Final answer
    x = 1,083,480.75

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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.