Home / 2,916,668.71-4,025,003.09-1,609,921.16

Finding the Fourth Proportional to 2,916,668.71, 4,025,003.09 and 1,609,921.16

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Solution

The fourth proportional to 2,916,668.71, 4,025,003.09 and 1,609,921.16 is: 2,221,691.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,668.71 : 4,025,003.09 = 1,609,921.16 : x
  2. Step 2: Convert to fraction form
    2,916,668.71/4,025,003.09 = 1,609,921.16/x
  3. Step 3: Cross multiply
    2,916,668.71x = 4,025,003.09 × 1,609,921.16
  4. Step 4: Simplify right side
    2,916,668.71x = 6,479,937,643,656.38
  5. Step 5: Solve for x
    x = 6,479,937,643,656.38/2,916,668.71
  6. Step 6: Final answer
    x = 2,221,691.35

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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.