Home / 2,606,276.40-3,909,414.60-809,145.60

Finding the Fourth Proportional to 2,606,276.40, 3,909,414.60 and 809,145.60

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Solution

The fourth proportional to 2,606,276.40, 3,909,414.60 and 809,145.60 is: 1,213,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,606,276.40 : 3,909,414.60 = 809,145.60 : x
  2. Step 2: Convert to fraction form
    2,606,276.40/3,909,414.60 = 809,145.60/x
  3. Step 3: Cross multiply
    2,606,276.40x = 3,909,414.60 × 809,145.60
  4. Step 4: Simplify right side
    2,606,276.40x = 3,163,285,622,165.76
  5. Step 5: Solve for x
    x = 3,163,285,622,165.76/2,606,276.40
  6. Step 6: Final answer
    x = 1,213,718.40

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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.