Home / 2,079,209.79-3,115,599.96-1,622,718.65

Finding the Fourth Proportional to 2,079,209.79, 3,115,599.96 and 1,622,718.65

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Solution

The fourth proportional to 2,079,209.79, 3,115,599.96 and 1,622,718.65 is: 2,431,569.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,209.79 : 3,115,599.96 = 1,622,718.65 : x
  2. Step 2: Convert to fraction form
    2,079,209.79/3,115,599.96 = 1,622,718.65/x
  3. Step 3: Cross multiply
    2,079,209.79x = 3,115,599.96 × 1,622,718.65
  4. Step 4: Simplify right side
    2,079,209.79x = 5,055,742,161,031.25
  5. Step 5: Solve for x
    x = 5,055,742,161,031.25/2,079,209.79
  6. Step 6: Final answer
    x = 2,431,569.04

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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.