Home / 1,960,808.13-2,705,980.86-1,089,679.53

Finding the Fourth Proportional to 1,960,808.13, 2,705,980.86 and 1,089,679.53

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Solution

The fourth proportional to 1,960,808.13, 2,705,980.86 and 1,089,679.53 is: 1,503,794.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,808.13 : 2,705,980.86 = 1,089,679.53 : x
  2. Step 2: Convert to fraction form
    1,960,808.13/2,705,980.86 = 1,089,679.53/x
  3. Step 3: Cross multiply
    1,960,808.13x = 2,705,980.86 × 1,089,679.53
  4. Step 4: Simplify right side
    1,960,808.13x = 2,948,651,951,713.80
  5. Step 5: Solve for x
    x = 2,948,651,951,713.80/1,960,808.13
  6. Step 6: Final answer
    x = 1,503,794.23

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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.