Home / 4,679,155.12-7,018,732.24-2,551,028.80

Finding the Fourth Proportional to 4,679,155.12, 7,018,732.24 and 2,551,028.80

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Solution

The fourth proportional to 4,679,155.12, 7,018,732.24 and 2,551,028.80 is: 3,826,542.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679,155.12 : 7,018,732.24 = 2,551,028.80 : x
  2. Step 2: Convert to fraction form
    4,679,155.12/7,018,732.24 = 2,551,028.80/x
  3. Step 3: Cross multiply
    4,679,155.12x = 7,018,732.24 × 2,551,028.80
  4. Step 4: Simplify right side
    4,679,155.12x = 17,904,988,083,728.51
  5. Step 5: Solve for x
    x = 17,904,988,083,728.51/4,679,155.12
  6. Step 6: Final answer
    x = 3,826,542.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.