Home / 3,178,889.14-4,398,418.98-2,771,839.20

Finding the Fourth Proportional to 3,178,889.14, 4,398,418.98 and 2,771,839.20

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Solution

The fourth proportional to 3,178,889.14, 4,398,418.98 and 2,771,839.20 is: 3,835,210.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,889.14 : 4,398,418.98 = 2,771,839.20 : x
  2. Step 2: Convert to fraction form
    3,178,889.14/4,398,418.98 = 2,771,839.20/x
  3. Step 3: Cross multiply
    3,178,889.14x = 4,398,418.98 × 2,771,839.20
  4. Step 4: Simplify right side
    3,178,889.14x = 12,191,710,146,788.02
  5. Step 5: Solve for x
    x = 12,191,710,146,788.02/3,178,889.14
  6. Step 6: Final answer
    x = 3,835,210.86

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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.