Home / 2,540,842.29-3,506,365.80-1,379,288.25

Finding the Fourth Proportional to 2,540,842.29, 3,506,365.80 and 1,379,288.25

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Solution

The fourth proportional to 2,540,842.29, 3,506,365.80 and 1,379,288.25 is: 1,903,419.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540,842.29 : 3,506,365.80 = 1,379,288.25 : x
  2. Step 2: Convert to fraction form
    2,540,842.29/3,506,365.80 = 1,379,288.25/x
  3. Step 3: Cross multiply
    2,540,842.29x = 3,506,365.80 × 1,379,288.25
  4. Step 4: Simplify right side
    2,540,842.29x = 4,836,289,148,141.85
  5. Step 5: Solve for x
    x = 4,836,289,148,141.85/2,540,842.29
  6. Step 6: Final answer
    x = 1,903,419.65

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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.