Home / 3,912,741.40-5,869,112.10-2,779,000.60

Finding the Fourth Proportional to 3,912,741.40, 5,869,112.10 and 2,779,000.60

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Solution

The fourth proportional to 3,912,741.40, 5,869,112.10 and 2,779,000.60 is: 4,168,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,741.40 : 5,869,112.10 = 2,779,000.60 : x
  2. Step 2: Convert to fraction form
    3,912,741.40/5,869,112.10 = 2,779,000.60/x
  3. Step 3: Cross multiply
    3,912,741.40x = 5,869,112.10 × 2,779,000.60
  4. Step 4: Simplify right side
    3,912,741.40x = 16,310,266,047,367.26
  5. Step 5: Solve for x
    x = 16,310,266,047,367.26/3,912,741.40
  6. Step 6: Final answer
    x = 4,168,500.90

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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.