Home / 2,518,934.98-3,778,939.19-813,175.22

Finding the Fourth Proportional to 2,518,934.98, 3,778,939.19 and 813,175.22

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Solution

The fourth proportional to 2,518,934.98, 3,778,939.19 and 813,175.22 is: 1,219,936.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518,934.98 : 3,778,939.19 = 813,175.22 : x
  2. Step 2: Convert to fraction form
    2,518,934.98/3,778,939.19 = 813,175.22/x
  3. Step 3: Cross multiply
    2,518,934.98x = 3,778,939.19 × 813,175.22
  4. Step 4: Simplify right side
    2,518,934.98x = 3,072,939,690,333.11
  5. Step 5: Solve for x
    x = 3,072,939,690,333.11/2,518,934.98
  6. Step 6: Final answer
    x = 1,219,936.09

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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.