Home / 3,168,943.68-4,373,144.64-1,718,638.56

Finding the Fourth Proportional to 3,168,943.68, 4,373,144.64 and 1,718,638.56

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Solution

The fourth proportional to 3,168,943.68, 4,373,144.64 and 1,718,638.56 is: 2,371,722.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168,943.68 : 4,373,144.64 = 1,718,638.56 : x
  2. Step 2: Convert to fraction form
    3,168,943.68/4,373,144.64 = 1,718,638.56/x
  3. Step 3: Cross multiply
    3,168,943.68x = 4,373,144.64 × 1,718,638.56
  4. Step 4: Simplify right side
    3,168,943.68x = 7,515,855,006,761.32
  5. Step 5: Solve for x
    x = 7,515,855,006,761.32/3,168,943.68
  6. Step 6: Final answer
    x = 2,371,722.49

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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.