Home / 2,640,315.12-3,961,325.62-1,221,302.04

Finding the Fourth Proportional to 2,640,315.12, 3,961,325.62 and 1,221,302.04

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Solution

The fourth proportional to 2,640,315.12, 3,961,325.62 and 1,221,302.04 is: 1,832,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,315.12 : 3,961,325.62 = 1,221,302.04 : x
  2. Step 2: Convert to fraction form
    2,640,315.12/3,961,325.62 = 1,221,302.04/x
  3. Step 3: Cross multiply
    2,640,315.12x = 3,961,325.62 × 1,221,302.04
  4. Step 4: Simplify right side
    2,640,315.12x = 4,837,975,057,757.01
  5. Step 5: Solve for x
    x = 4,837,975,057,757.01/2,640,315.12
  6. Step 6: Final answer
    x = 1,832,347.59

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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.