Home / 2,127,170.88-2,936,579.81-1,642,648.32

Finding the Fourth Proportional to 2,127,170.88, 2,936,579.81 and 1,642,648.32

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Solution

The fourth proportional to 2,127,170.88, 2,936,579.81 and 1,642,648.32 is: 2,267,691.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,170.88 : 2,936,579.81 = 1,642,648.32 : x
  2. Step 2: Convert to fraction form
    2,127,170.88/2,936,579.81 = 1,642,648.32/x
  3. Step 3: Cross multiply
    2,127,170.88x = 2,936,579.81 × 1,642,648.32
  4. Step 4: Simplify right side
    2,127,170.88x = 4,823,767,883,229.18
  5. Step 5: Solve for x
    x = 4,823,767,883,229.18/2,127,170.88
  6. Step 6: Final answer
    x = 2,267,691.76

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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.