Home / 1,970,016.70-2,719,045.71-1,244,402.86

Finding the Fourth Proportional to 1,970,016.70, 2,719,045.71 and 1,244,402.86

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Solution

The fourth proportional to 1,970,016.70, 2,719,045.71 and 1,244,402.86 is: 1,717,542.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,016.70 : 2,719,045.71 = 1,244,402.86 : x
  2. Step 2: Convert to fraction form
    1,970,016.70/2,719,045.71 = 1,244,402.86/x
  3. Step 3: Cross multiply
    1,970,016.70x = 2,719,045.71 × 1,244,402.86
  4. Step 4: Simplify right side
    1,970,016.70x = 3,383,588,257,994.73
  5. Step 5: Solve for x
    x = 3,383,588,257,994.73/1,970,016.70
  6. Step 6: Final answer
    x = 1,717,542.93

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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.