Home / 2,802,315.60-4,202,890.20-780,037.20

Finding the Fourth Proportional to 2,802,315.60, 4,202,890.20 and 780,037.20

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Solution

The fourth proportional to 2,802,315.60, 4,202,890.20 and 780,037.20 is: 1,169,893.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802,315.60 : 4,202,890.20 = 780,037.20 : x
  2. Step 2: Convert to fraction form
    2,802,315.60/4,202,890.20 = 780,037.20/x
  3. Step 3: Cross multiply
    2,802,315.60x = 4,202,890.20 × 780,037.20
  4. Step 4: Simplify right side
    2,802,315.60x = 3,278,410,703,515.44
  5. Step 5: Solve for x
    x = 3,278,410,703,515.44/2,802,315.60
  6. Step 6: Final answer
    x = 1,169,893.46

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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.