Home / 1,855,078.32-2,559,427.02-1,039,171.80

Finding the Fourth Proportional to 1,855,078.32, 2,559,427.02 and 1,039,171.80

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Solution

The fourth proportional to 1,855,078.32, 2,559,427.02 and 1,039,171.80 is: 1,433,731.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,078.32 : 2,559,427.02 = 1,039,171.80 : x
  2. Step 2: Convert to fraction form
    1,855,078.32/2,559,427.02 = 1,039,171.80/x
  3. Step 3: Cross multiply
    1,855,078.32x = 2,559,427.02 × 1,039,171.80
  4. Step 4: Simplify right side
    1,855,078.32x = 2,659,684,383,342.04
  5. Step 5: Solve for x
    x = 2,659,684,383,342.04/1,855,078.32
  6. Step 6: Final answer
    x = 1,433,731.59

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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.