Home / 2,679,672.40-3,697,905.96-1,472,422.48

Finding the Fourth Proportional to 2,679,672.40, 3,697,905.96 and 1,472,422.48

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Solution

The fourth proportional to 2,679,672.40, 3,697,905.96 and 1,472,422.48 is: 2,031,919.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,672.40 : 3,697,905.96 = 1,472,422.48 : x
  2. Step 2: Convert to fraction form
    2,679,672.40/3,697,905.96 = 1,472,422.48/x
  3. Step 3: Cross multiply
    2,679,672.40x = 3,697,905.96 × 1,472,422.48
  4. Step 4: Simplify right side
    2,679,672.40x = 5,444,879,864,429.98
  5. Step 5: Solve for x
    x = 5,444,879,864,429.98/2,679,672.40
  6. Step 6: Final answer
    x = 2,031,919.97

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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.