Home / 4,120,674.78-5,684,612.43-2,670,839.58

Finding the Fourth Proportional to 4,120,674.78, 5,684,612.43 and 2,670,839.58

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Solution

The fourth proportional to 4,120,674.78, 5,684,612.43 and 2,670,839.58 is: 3,684,514.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120,674.78 : 5,684,612.43 = 2,670,839.58 : x
  2. Step 2: Convert to fraction form
    4,120,674.78/5,684,612.43 = 2,670,839.58/x
  3. Step 3: Cross multiply
    4,120,674.78x = 5,684,612.43 × 2,670,839.58
  4. Step 4: Simplify right side
    4,120,674.78x = 15,182,687,875,003.98
  5. Step 5: Solve for x
    x = 15,182,687,875,003.98/4,120,674.78
  6. Step 6: Final answer
    x = 3,684,514.96

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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.