Home / 2,676,979.20-4,018,579.20-1,613,222.40

Finding the Fourth Proportional to 2,676,979.20, 4,018,579.20 and 1,613,222.40

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Solution

The fourth proportional to 2,676,979.20, 4,018,579.20 and 1,613,222.40 is: 2,421,708.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676,979.20 : 4,018,579.20 = 1,613,222.40 : x
  2. Step 2: Convert to fraction form
    2,676,979.20/4,018,579.20 = 1,613,222.40/x
  3. Step 3: Cross multiply
    2,676,979.20x = 4,018,579.20 × 1,613,222.40
  4. Step 4: Simplify right side
    2,676,979.20x = 6,482,861,981,614.08
  5. Step 5: Solve for x
    x = 6,482,861,981,614.08/2,676,979.20
  6. Step 6: Final answer
    x = 2,421,708.01

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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.