Home / 3,186,717.89-4,781,489.75-1,670,040.28

Finding the Fourth Proportional to 3,186,717.89, 4,781,489.75 and 1,670,040.28

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Solution

The fourth proportional to 3,186,717.89, 4,781,489.75 and 1,670,040.28 is: 2,505,800.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,717.89 : 4,781,489.75 = 1,670,040.28 : x
  2. Step 2: Convert to fraction form
    3,186,717.89/4,781,489.75 = 1,670,040.28/x
  3. Step 3: Cross multiply
    3,186,717.89x = 4,781,489.75 × 1,670,040.28
  4. Step 4: Simplify right side
    3,186,717.89x = 7,985,280,448,649.48
  5. Step 5: Solve for x
    x = 7,985,280,448,649.48/3,186,717.89
  6. Step 6: Final answer
    x = 2,505,800.87

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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.