Home / 2,219,775.15-3,063,297.78-1,201,179.90

Finding the Fourth Proportional to 2,219,775.15, 3,063,297.78 and 1,201,179.90

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Solution

The fourth proportional to 2,219,775.15, 3,063,297.78 and 1,201,179.90 is: 1,657,632.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,775.15 : 3,063,297.78 = 1,201,179.90 : x
  2. Step 2: Convert to fraction form
    2,219,775.15/3,063,297.78 = 1,201,179.90/x
  3. Step 3: Cross multiply
    2,219,775.15x = 3,063,297.78 × 1,201,179.90
  4. Step 4: Simplify right side
    2,219,775.15x = 3,679,571,721,050.62
  5. Step 5: Solve for x
    x = 3,679,571,721,050.62/2,219,775.15
  6. Step 6: Final answer
    x = 1,657,632.63

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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.