Home / 2,201,390.70-3,302,086.05-1,988,814.30

Finding the Fourth Proportional to 2,201,390.70, 3,302,086.05 and 1,988,814.30

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Solution

The fourth proportional to 2,201,390.70, 3,302,086.05 and 1,988,814.30 is: 2,983,221.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201,390.70 : 3,302,086.05 = 1,988,814.30 : x
  2. Step 2: Convert to fraction form
    2,201,390.70/3,302,086.05 = 1,988,814.30/x
  3. Step 3: Cross multiply
    2,201,390.70x = 3,302,086.05 × 1,988,814.30
  4. Step 4: Simplify right side
    2,201,390.70x = 6,567,235,956,070.52
  5. Step 5: Solve for x
    x = 6,567,235,956,070.52/2,201,390.70
  6. Step 6: Final answer
    x = 2,983,221.45

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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.