Home / 2,749,564.40-4,120,847.40-1,326,556.40

Finding the Fourth Proportional to 2,749,564.40, 4,120,847.40 and 1,326,556.40

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Solution

The fourth proportional to 2,749,564.40, 4,120,847.40 and 1,326,556.40 is: 1,988,146.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749,564.40 : 4,120,847.40 = 1,326,556.40 : x
  2. Step 2: Convert to fraction form
    2,749,564.40/4,120,847.40 = 1,326,556.40/x
  3. Step 3: Cross multiply
    2,749,564.40x = 4,120,847.40 × 1,326,556.40
  4. Step 4: Simplify right side
    2,749,564.40x = 5,466,536,491,893.36
  5. Step 5: Solve for x
    x = 5,466,536,491,893.36/2,749,564.40
  6. Step 6: Final answer
    x = 1,988,146.37

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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.