Home / 2,621,398.38-3,616,798.74-1,690,712.33

Finding the Fourth Proportional to 2,621,398.38, 3,616,798.74 and 1,690,712.33

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Solution

The fourth proportional to 2,621,398.38, 3,616,798.74 and 1,690,712.33 is: 2,332,711.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621,398.38 : 3,616,798.74 = 1,690,712.33 : x
  2. Step 2: Convert to fraction form
    2,621,398.38/3,616,798.74 = 1,690,712.33/x
  3. Step 3: Cross multiply
    2,621,398.38x = 3,616,798.74 × 1,690,712.33
  4. Step 4: Simplify right side
    2,621,398.38x = 6,114,966,200,422.30
  5. Step 5: Solve for x
    x = 6,114,966,200,422.30/2,621,398.38
  6. Step 6: Final answer
    x = 2,332,711.52

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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.