Home / 3,615,708.11-4,989,663.60-1,984,142.93

Finding the Fourth Proportional to 3,615,708.11, 4,989,663.60 and 1,984,142.93

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Solution

The fourth proportional to 3,615,708.11, 4,989,663.60 and 1,984,142.93 is: 2,738,109.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,708.11 : 4,989,663.60 = 1,984,142.93 : x
  2. Step 2: Convert to fraction form
    3,615,708.11/4,989,663.60 = 1,984,142.93/x
  3. Step 3: Cross multiply
    3,615,708.11x = 4,989,663.60 × 1,984,142.93
  4. Step 4: Simplify right side
    3,615,708.11x = 9,900,205,755,018.35
  5. Step 5: Solve for x
    x = 9,900,205,755,018.35/3,615,708.11
  6. Step 6: Final answer
    x = 2,738,109.78

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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.