Home / 2,060,999.40-3,091,790.70-640,907.40

Finding the Fourth Proportional to 2,060,999.40, 3,091,790.70 and 640,907.40

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Solution

The fourth proportional to 2,060,999.40, 3,091,790.70 and 640,907.40 is: 961,451.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,060,999.40 : 3,091,790.70 = 640,907.40 : x
  2. Step 2: Convert to fraction form
    2,060,999.40/3,091,790.70 = 640,907.40/x
  3. Step 3: Cross multiply
    2,060,999.40x = 3,091,790.70 × 640,907.40
  4. Step 4: Simplify right side
    2,060,999.40x = 1,981,551,538,881.18
  5. Step 5: Solve for x
    x = 1,981,551,538,881.18/2,060,999.40
  6. Step 6: Final answer
    x = 961,451.78

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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.