Home / 2,155,829.10-3,233,192.07-639,157.38

Finding the Fourth Proportional to 2,155,829.10, 3,233,192.07 and 639,157.38

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Solution

The fourth proportional to 2,155,829.10, 3,233,192.07 and 639,157.38 is: 958,572.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,829.10 : 3,233,192.07 = 639,157.38 : x
  2. Step 2: Convert to fraction form
    2,155,829.10/3,233,192.07 = 639,157.38/x
  3. Step 3: Cross multiply
    2,155,829.10x = 3,233,192.07 × 639,157.38
  4. Step 4: Simplify right side
    2,155,829.10x = 2,066,518,572,497.98
  5. Step 5: Solve for x
    x = 2,066,518,572,497.98/2,155,829.10
  6. Step 6: Final answer
    x = 958,572.54

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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.