Home / 3,939,813.10-5,909,719.65-1,542,861.10

Finding the Fourth Proportional to 3,939,813.10, 5,909,719.65 and 1,542,861.10

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Solution

The fourth proportional to 3,939,813.10, 5,909,719.65 and 1,542,861.10 is: 2,314,291.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,813.10 : 5,909,719.65 = 1,542,861.10 : x
  2. Step 2: Convert to fraction form
    3,939,813.10/5,909,719.65 = 1,542,861.10/x
  3. Step 3: Cross multiply
    3,939,813.10x = 5,909,719.65 × 1,542,861.10
  4. Step 4: Simplify right side
    3,939,813.10x = 9,117,876,559,890.62
  5. Step 5: Solve for x
    x = 9,117,876,559,890.62/3,939,813.10
  6. Step 6: Final answer
    x = 2,314,291.65

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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.