Home / 3,019,198.32-4,166,398.53-1,642,506.71

Finding the Fourth Proportional to 3,019,198.32, 4,166,398.53 and 1,642,506.71

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Solution

The fourth proportional to 3,019,198.32, 4,166,398.53 and 1,642,506.71 is: 2,266,607.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019,198.32 : 4,166,398.53 = 1,642,506.71 : x
  2. Step 2: Convert to fraction form
    3,019,198.32/4,166,398.53 = 1,642,506.71/x
  3. Step 3: Cross multiply
    3,019,198.32x = 4,166,398.53 × 1,642,506.71
  4. Step 4: Simplify right side
    3,019,198.32x = 6,843,337,521,227.14
  5. Step 5: Solve for x
    x = 6,843,337,521,227.14/3,019,198.32
  6. Step 6: Final answer
    x = 2,266,607.49

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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.