Home / 3,140,998.40-4,712,372.40-1,543,613.60

Finding the Fourth Proportional to 3,140,998.40, 4,712,372.40 and 1,543,613.60

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Solution

The fourth proportional to 3,140,998.40, 4,712,372.40 and 1,543,613.60 is: 2,315,850.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,998.40 : 4,712,372.40 = 1,543,613.60 : x
  2. Step 2: Convert to fraction form
    3,140,998.40/4,712,372.40 = 1,543,613.60/x
  3. Step 3: Cross multiply
    3,140,998.40x = 4,712,372.40 × 1,543,613.60
  4. Step 4: Simplify right side
    3,140,998.40x = 7,274,082,124,904.64
  5. Step 5: Solve for x
    x = 7,274,082,124,904.64/3,140,998.40
  6. Step 6: Final answer
    x = 2,315,850.31

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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.