Home / 2,876,579.80-4,316,424.90-1,279,389.40

Finding the Fourth Proportional to 2,876,579.80, 4,316,424.90 and 1,279,389.40

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Solution

The fourth proportional to 2,876,579.80, 4,316,424.90 and 1,279,389.40 is: 1,919,775.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876,579.80 : 4,316,424.90 = 1,279,389.40 : x
  2. Step 2: Convert to fraction form
    2,876,579.80/4,316,424.90 = 1,279,389.40/x
  3. Step 3: Cross multiply
    2,876,579.80x = 4,316,424.90 × 1,279,389.40
  4. Step 4: Simplify right side
    2,876,579.80x = 5,522,388,262,956.06
  5. Step 5: Solve for x
    x = 5,522,388,262,956.06/2,876,579.80
  6. Step 6: Final answer
    x = 1,919,775.79

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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.