Home / 2,266,886.07-3,128,064.95-1,286,512.91

Finding the Fourth Proportional to 2,266,886.07, 3,128,064.95 and 1,286,512.91

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Solution

The fourth proportional to 2,266,886.07, 3,128,064.95 and 1,286,512.91 is: 1,775,252.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266,886.07 : 3,128,064.95 = 1,286,512.91 : x
  2. Step 2: Convert to fraction form
    2,266,886.07/3,128,064.95 = 1,286,512.91/x
  3. Step 3: Cross multiply
    2,266,886.07x = 3,128,064.95 × 1,286,512.91
  4. Step 4: Simplify right side
    2,266,886.07x = 4,024,295,919,420.62
  5. Step 5: Solve for x
    x = 4,024,295,919,420.62/2,266,886.07
  6. Step 6: Final answer
    x = 1,775,252.83

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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.