Home / 3,651,313.72-5,038,425.18-2,019,461.80

Finding the Fourth Proportional to 3,651,313.72, 5,038,425.18 and 2,019,461.80

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Solution

The fourth proportional to 3,651,313.72, 5,038,425.18 and 2,019,461.80 is: 2,786,642.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651,313.72 : 5,038,425.18 = 2,019,461.80 : x
  2. Step 2: Convert to fraction form
    3,651,313.72/5,038,425.18 = 2,019,461.80/x
  3. Step 3: Cross multiply
    3,651,313.72x = 5,038,425.18 × 2,019,461.80
  4. Step 4: Simplify right side
    3,651,313.72x = 10,174,907,183,168.12
  5. Step 5: Solve for x
    x = 10,174,907,183,168.12/3,651,313.72
  6. Step 6: Final answer
    x = 2,786,642.83

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1.5x scale

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.