Home / 1,960,799.83-2,705,844.81-1,089,631.60

Finding the Fourth Proportional to 1,960,799.83, 2,705,844.81 and 1,089,631.60

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Solution

The fourth proportional to 1,960,799.83, 2,705,844.81 and 1,089,631.60 is: 1,503,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,799.83 : 2,705,844.81 = 1,089,631.60 : x
  2. Step 2: Convert to fraction form
    1,960,799.83/2,705,844.81 = 1,089,631.60/x
  3. Step 3: Cross multiply
    1,960,799.83x = 2,705,844.81 × 1,089,631.60
  4. Step 4: Simplify right side
    1,960,799.83x = 2,948,374,009,672.00
  5. Step 5: Solve for x
    x = 2,948,374,009,672.00/1,960,799.83
  6. Step 6: Final answer
    x = 1,503,658.85

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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.