Home / 5,340,816-8,012,228.40-2,146,195.44

Finding the Fourth Proportional to 5,340,816, 8,012,228.40 and 2,146,195.44

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Solution

The fourth proportional to 5,340,816, 8,012,228.40 and 2,146,195.44 is: 3,219,696.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340,816 : 8,012,228.40 = 2,146,195.44 : x
  2. Step 2: Convert to fraction form
    5,340,816/8,012,228.40 = 2,146,195.44/x
  3. Step 3: Cross multiply
    5,340,816x = 8,012,228.40 × 2,146,195.44
  4. Step 4: Simplify right side
    5,340,816x = 17,195,808,056,318.50
  5. Step 5: Solve for x
    x = 17,195,808,056,318.50/5,340,816
  6. Step 6: Final answer
    x = 3,219,696.78

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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.