Home / 2,256,063.30-3,113,372.49-1,289,191.26

Finding the Fourth Proportional to 2,256,063.30, 3,113,372.49 and 1,289,191.26

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Solution

The fourth proportional to 2,256,063.30, 3,113,372.49 and 1,289,191.26 is: 1,779,086.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256,063.30 : 3,113,372.49 = 1,289,191.26 : x
  2. Step 2: Convert to fraction form
    2,256,063.30/3,113,372.49 = 1,289,191.26/x
  3. Step 3: Cross multiply
    2,256,063.30x = 3,113,372.49 × 1,289,191.26
  4. Step 4: Simplify right side
    2,256,063.30x = 4,013,732,603,232.44
  5. Step 5: Solve for x
    x = 4,013,732,603,232.44/2,256,063.30
  6. Step 6: Final answer
    x = 1,779,086.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.