Home / 6,739,905.40-10,109,858.10-4,188,988.60

Finding the Fourth Proportional to 6,739,905.40, 10,109,858.10 and 4,188,988.60

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Solution

The fourth proportional to 6,739,905.40, 10,109,858.10 and 4,188,988.60 is: 6,283,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739,905.40 : 10,109,858.10 = 4,188,988.60 : x
  2. Step 2: Convert to fraction form
    6,739,905.40/10,109,858.10 = 4,188,988.60/x
  3. Step 3: Cross multiply
    6,739,905.40x = 10,109,858.10 × 4,188,988.60
  4. Step 4: Simplify right side
    6,739,905.40x = 42,350,080,328,517.66
  5. Step 5: Solve for x
    x = 42,350,080,328,517.66/6,739,905.40
  6. Step 6: Final answer
    x = 6,283,482.90

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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.