Home / 2,200,178.72-3,036,253.72-1,220,188.08

Finding the Fourth Proportional to 2,200,178.72, 3,036,253.72 and 1,220,188.08

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Solution

The fourth proportional to 2,200,178.72, 3,036,253.72 and 1,220,188.08 is: 1,683,863.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200,178.72 : 3,036,253.72 = 1,220,188.08 : x
  2. Step 2: Convert to fraction form
    2,200,178.72/3,036,253.72 = 1,220,188.08/x
  3. Step 3: Cross multiply
    2,200,178.72x = 3,036,253.72 × 1,220,188.08
  4. Step 4: Simplify right side
    2,200,178.72x = 3,704,800,596,999.66
  5. Step 5: Solve for x
    x = 3,704,800,596,999.66/2,200,178.72
  6. Step 6: Final answer
    x = 1,683,863.48

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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.