Home / 1,960,806.13-2,705,978.09-1,089,677.54

Finding the Fourth Proportional to 1,960,806.13, 2,705,978.09 and 1,089,677.54

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Solution

The fourth proportional to 1,960,806.13, 2,705,978.09 and 1,089,677.54 is: 1,503,791.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,806.13 : 2,705,978.09 = 1,089,677.54 : x
  2. Step 2: Convert to fraction form
    1,960,806.13/2,705,978.09 = 1,089,677.54/x
  3. Step 3: Cross multiply
    1,960,806.13x = 2,705,978.09 × 1,089,677.54
  4. Step 4: Simplify right side
    1,960,806.13x = 2,948,643,548,405.10
  5. Step 5: Solve for x
    x = 2,948,643,548,405.10/1,960,806.13
  6. Step 6: Final answer
    x = 1,503,791.48

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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.