Home / 1,853,017.88-2,775,906.87-1,276,539.47

Finding the Fourth Proportional to 1,853,017.88, 2,775,906.87 and 1,276,539.47

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Solution

The fourth proportional to 1,853,017.88, 2,775,906.87 and 1,276,539.47 is: 1,912,315.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,017.88 : 2,775,906.87 = 1,276,539.47 : x
  2. Step 2: Convert to fraction form
    1,853,017.88/2,775,906.87 = 1,276,539.47/x
  3. Step 3: Cross multiply
    1,853,017.88x = 2,775,906.87 × 1,276,539.47
  4. Step 4: Simplify right side
    1,853,017.88x = 3,543,554,670,719.63
  5. Step 5: Solve for x
    x = 3,543,554,670,719.63/1,853,017.88
  6. Step 6: Final answer
    x = 1,912,315.43

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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.