Home / 2,940,001.40-4,409,742.90-809,895.80

Finding the Fourth Proportional to 2,940,001.40, 4,409,742.90 and 809,895.80

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Solution

The fourth proportional to 2,940,001.40, 4,409,742.90 and 809,895.80 is: 1,214,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940,001.40 : 4,409,742.90 = 809,895.80 : x
  2. Step 2: Convert to fraction form
    2,940,001.40/4,409,742.90 = 809,895.80/x
  3. Step 3: Cross multiply
    2,940,001.40x = 4,409,742.90 × 809,895.80
  4. Step 4: Simplify right side
    2,940,001.40x = 3,571,432,253,789.82
  5. Step 5: Solve for x
    x = 3,571,432,253,789.82/2,940,001.40
  6. Step 6: Final answer
    x = 1,214,772.30

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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.