Home / 3,091,980.56-4,266,977.16-1,868,115.92

Finding the Fourth Proportional to 3,091,980.56, 4,266,977.16 and 1,868,115.92

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Solution

The fourth proportional to 3,091,980.56, 4,266,977.16 and 1,868,115.92 is: 2,578,026.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091,980.56 : 4,266,977.16 = 1,868,115.92 : x
  2. Step 2: Convert to fraction form
    3,091,980.56/4,266,977.16 = 1,868,115.92/x
  3. Step 3: Cross multiply
    3,091,980.56x = 4,266,977.16 × 1,868,115.92
  4. Step 4: Simplify right side
    3,091,980.56x = 7,971,207,962,872.39
  5. Step 5: Solve for x
    x = 7,971,207,962,872.39/3,091,980.56
  6. Step 6: Final answer
    x = 2,578,026.55

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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.