Home / 3,979,889.28-5,966,072.64-1,585,212.48

Finding the Fourth Proportional to 3,979,889.28, 5,966,072.64 and 1,585,212.48

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Solution

The fourth proportional to 3,979,889.28, 5,966,072.64 and 1,585,212.48 is: 2,376,320.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,889.28 : 5,966,072.64 = 1,585,212.48 : x
  2. Step 2: Convert to fraction form
    3,979,889.28/5,966,072.64 = 1,585,212.48/x
  3. Step 3: Cross multiply
    3,979,889.28x = 5,966,072.64 × 1,585,212.48
  4. Step 4: Simplify right side
    3,979,889.28x = 9,457,492,805,514.55
  5. Step 5: Solve for x
    x = 9,457,492,805,514.55/3,979,889.28
  6. Step 6: Final answer
    x = 2,376,320.58

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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.