Home / 2,083,291.20-3,131,618.40-1,935,374.40

Finding the Fourth Proportional to 2,083,291.20, 3,131,618.40 and 1,935,374.40

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Solution

The fourth proportional to 2,083,291.20, 3,131,618.40 and 1,935,374.40 is: 2,909,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083,291.20 : 3,131,618.40 = 1,935,374.40 : x
  2. Step 2: Convert to fraction form
    2,083,291.20/3,131,618.40 = 1,935,374.40/x
  3. Step 3: Cross multiply
    2,083,291.20x = 3,131,618.40 × 1,935,374.40
  4. Step 4: Simplify right side
    2,083,291.20x = 6,060,854,081,928.96
  5. Step 5: Solve for x
    x = 6,060,854,081,928.96/2,083,291.20
  6. Step 6: Final answer
    x = 2,909,268.80

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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.