Home / 2,266,890.57-3,128,071.16-1,286,517.41

Finding the Fourth Proportional to 2,266,890.57, 3,128,071.16 and 1,286,517.41

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Solution

The fourth proportional to 2,266,890.57, 3,128,071.16 and 1,286,517.41 is: 1,775,259.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266,890.57 : 3,128,071.16 = 1,286,517.41 : x
  2. Step 2: Convert to fraction form
    2,266,890.57/3,128,071.16 = 1,286,517.41/x
  3. Step 3: Cross multiply
    2,266,890.57x = 3,128,071.16 × 1,286,517.41
  4. Step 4: Simplify right side
    2,266,890.57x = 4,024,317,984,985.95
  5. Step 5: Solve for x
    x = 4,024,317,984,985.95/2,266,890.57
  6. Step 6: Final answer
    x = 1,775,259.04

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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.