Home / 2,561,320.19-3,841,559.45-919,657.65

Finding the Fourth Proportional to 2,561,320.19, 3,841,559.45 and 919,657.65

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Solution

The fourth proportional to 2,561,320.19, 3,841,559.45 and 919,657.65 is: 1,379,335.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561,320.19 : 3,841,559.45 = 919,657.65 : x
  2. Step 2: Convert to fraction form
    2,561,320.19/3,841,559.45 = 919,657.65/x
  3. Step 3: Cross multiply
    2,561,320.19x = 3,841,559.45 × 919,657.65
  4. Step 4: Simplify right side
    2,561,320.19x = 3,532,919,546,875.76
  5. Step 5: Solve for x
    x = 3,532,919,546,875.76/2,561,320.19
  6. Step 6: Final answer
    x = 1,379,335.38

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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.