Home / 1,930,578.60-2,893,016.70-1,399,218.60

Finding the Fourth Proportional to 1,930,578.60, 2,893,016.70 and 1,399,218.60

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Solution

The fourth proportional to 1,930,578.60, 2,893,016.70 and 1,399,218.60 is: 2,096,761.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,578.60 : 2,893,016.70 = 1,399,218.60 : x
  2. Step 2: Convert to fraction form
    1,930,578.60/2,893,016.70 = 1,399,218.60/x
  3. Step 3: Cross multiply
    1,930,578.60x = 2,893,016.70 × 1,399,218.60
  4. Step 4: Simplify right side
    1,930,578.60x = 4,047,962,776,750.62
  5. Step 5: Solve for x
    x = 4,047,962,776,750.62/1,930,578.60
  6. Step 6: Final answer
    x = 2,096,761.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.