Home / 1,853,215.40-2,781,620.78-894,345.86

Finding the Fourth Proportional to 1,853,215.40, 2,781,620.78 and 894,345.86

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Solution

The fourth proportional to 1,853,215.40, 2,781,620.78 and 894,345.86 is: 1,342,386.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,215.40 : 2,781,620.78 = 894,345.86 : x
  2. Step 2: Convert to fraction form
    1,853,215.40/2,781,620.78 = 894,345.86/x
  3. Step 3: Cross multiply
    1,853,215.40x = 2,781,620.78 × 894,345.86
  4. Step 4: Simplify right side
    1,853,215.40x = 2,487,731,028,682.97
  5. Step 5: Solve for x
    x = 2,487,731,028,682.97/1,853,215.40
  6. Step 6: Final answer
    x = 1,342,386.33

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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.