Home / 2,615,459.76-3,923,080.29-909,988.86

Finding the Fourth Proportional to 2,615,459.76, 3,923,080.29 and 909,988.86

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Solution

The fourth proportional to 2,615,459.76, 3,923,080.29 and 909,988.86 is: 1,364,945.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615,459.76 : 3,923,080.29 = 909,988.86 : x
  2. Step 2: Convert to fraction form
    2,615,459.76/3,923,080.29 = 909,988.86/x
  3. Step 3: Cross multiply
    2,615,459.76x = 3,923,080.29 × 909,988.86
  4. Step 4: Simplify right side
    2,615,459.76x = 3,569,959,375,497.12
  5. Step 5: Solve for x
    x = 3,569,959,375,497.12/2,615,459.76
  6. Step 6: Final answer
    x = 1,364,945.25

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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.