Home / 2,412,680.65-3,327,654.35-1,638,908.10

Finding the Fourth Proportional to 2,412,680.65, 3,327,654.35 and 1,638,908.10

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Solution

The fourth proportional to 2,412,680.65, 3,327,654.35 and 1,638,908.10 is: 2,260,439.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412,680.65 : 3,327,654.35 = 1,638,908.10 : x
  2. Step 2: Convert to fraction form
    2,412,680.65/3,327,654.35 = 1,638,908.10/x
  3. Step 3: Cross multiply
    2,412,680.65x = 3,327,654.35 × 1,638,908.10
  4. Step 4: Simplify right side
    2,412,680.65x = 5,453,719,672,312.51
  5. Step 5: Solve for x
    x = 5,453,719,672,312.51/2,412,680.65
  6. Step 6: Final answer
    x = 2,260,439.93

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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.