Home / 2,970,466.95-4,099,138.32-1,681,279.65

Finding the Fourth Proportional to 2,970,466.95, 4,099,138.32 and 1,681,279.65

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Solution

The fourth proportional to 2,970,466.95, 4,099,138.32 and 1,681,279.65 is: 2,320,105.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970,466.95 : 4,099,138.32 = 1,681,279.65 : x
  2. Step 2: Convert to fraction form
    2,970,466.95/4,099,138.32 = 1,681,279.65/x
  3. Step 3: Cross multiply
    2,970,466.95x = 4,099,138.32 × 1,681,279.65
  4. Step 4: Simplify right side
    2,970,466.95x = 6,891,797,839,951.19
  5. Step 5: Solve for x
    x = 6,891,797,839,951.19/2,970,466.95
  6. Step 6: Final answer
    x = 2,320,105.88

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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.