Home / 2,885,145.66-4,328,112.21-1,201,855.50

Finding the Fourth Proportional to 2,885,145.66, 4,328,112.21 and 1,201,855.50

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Solution

The fourth proportional to 2,885,145.66, 4,328,112.21 and 1,201,855.50 is: 1,802,947.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,145.66 : 4,328,112.21 = 1,201,855.50 : x
  2. Step 2: Convert to fraction form
    2,885,145.66/4,328,112.21 = 1,201,855.50/x
  3. Step 3: Cross multiply
    2,885,145.66x = 4,328,112.21 × 1,201,855.50
  4. Step 4: Simplify right side
    2,885,145.66x = 5,201,765,464,205.66
  5. Step 5: Solve for x
    x = 5,201,765,464,205.66/2,885,145.66
  6. Step 6: Final answer
    x = 1,802,947.26

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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.