Home / 3,519,269.60-5,280,286.80-1,388,991.20

Finding the Fourth Proportional to 3,519,269.60, 5,280,286.80 and 1,388,991.20

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Solution

The fourth proportional to 3,519,269.60, 5,280,286.80 and 1,388,991.20 is: 2,084,032.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519,269.60 : 5,280,286.80 = 1,388,991.20 : x
  2. Step 2: Convert to fraction form
    3,519,269.60/5,280,286.80 = 1,388,991.20/x
  3. Step 3: Cross multiply
    3,519,269.60x = 5,280,286.80 × 1,388,991.20
  4. Step 4: Simplify right side
    3,519,269.60x = 7,334,271,898,676.16
  5. Step 5: Solve for x
    x = 7,334,271,898,676.16/3,519,269.60
  6. Step 6: Final answer
    x = 2,084,032.41

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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.