Home / 2,615,571.51-3,923,430.90-722,312.94

Finding the Fourth Proportional to 2,615,571.51, 3,923,430.90 and 722,312.94

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Solution

The fourth proportional to 2,615,571.51, 3,923,430.90 and 722,312.94 is: 1,083,489.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615,571.51 : 3,923,430.90 = 722,312.94 : x
  2. Step 2: Convert to fraction form
    2,615,571.51/3,923,430.90 = 722,312.94/x
  3. Step 3: Cross multiply
    2,615,571.51x = 3,923,430.90 × 722,312.94
  4. Step 4: Simplify right side
    2,615,571.51x = 2,833,944,908,265.85
  5. Step 5: Solve for x
    x = 2,833,944,908,265.85/2,615,571.51
  6. Step 6: Final answer
    x = 1,083,489.74

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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.