Home / 2,486,299.86-3,431,397.33-1,398,617.28

Finding the Fourth Proportional to 2,486,299.86, 3,431,397.33 and 1,398,617.28

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Solution

The fourth proportional to 2,486,299.86, 3,431,397.33 and 1,398,617.28 is: 1,930,262.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,299.86 : 3,431,397.33 = 1,398,617.28 : x
  2. Step 2: Convert to fraction form
    2,486,299.86/3,431,397.33 = 1,398,617.28/x
  3. Step 3: Cross multiply
    2,486,299.86x = 3,431,397.33 × 1,398,617.28
  4. Step 4: Simplify right side
    2,486,299.86x = 4,799,211,600,283.86
  5. Step 5: Solve for x
    x = 4,799,211,600,283.86/2,486,299.86
  6. Step 6: Final answer
    x = 1,930,262.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.