Home / 2,855,067.60-4,280,890.65-908,955.12

Finding the Fourth Proportional to 2,855,067.60, 4,280,890.65 and 908,955.12

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Solution

The fourth proportional to 2,855,067.60, 4,280,890.65 and 908,955.12 is: 1,362,888.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855,067.60 : 4,280,890.65 = 908,955.12 : x
  2. Step 2: Convert to fraction form
    2,855,067.60/4,280,890.65 = 908,955.12/x
  3. Step 3: Cross multiply
    2,855,067.60x = 4,280,890.65 × 908,955.12
  4. Step 4: Simplify right side
    2,855,067.60x = 3,891,137,468,155.25
  5. Step 5: Solve for x
    x = 3,891,137,468,155.25/2,855,067.60
  6. Step 6: Final answer
    x = 1,362,888.03

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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.