Home / 2,885,205.16-4,328,201.22-1,201,915

Finding the Fourth Proportional to 2,885,205.16, 4,328,201.22 and 1,201,915

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Solution

The fourth proportional to 2,885,205.16, 4,328,201.22 and 1,201,915 is: 1,803,036.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,205.16 : 4,328,201.22 = 1,201,915 : x
  2. Step 2: Convert to fraction form
    2,885,205.16/4,328,201.22 = 1,201,915/x
  3. Step 3: Cross multiply
    2,885,205.16x = 4,328,201.22 × 1,201,915
  4. Step 4: Simplify right side
    2,885,205.16x = 5,202,129,969,336.30
  5. Step 5: Solve for x
    x = 5,202,129,969,336.30/2,885,205.16
  6. Step 6: Final answer
    x = 1,803,036.42

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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.