Home / 1,980,738.88-2,969,992.86-632,584.60

Finding the Fourth Proportional to 1,980,738.88, 2,969,992.86 and 632,584.60

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Solution

The fourth proportional to 1,980,738.88, 2,969,992.86 and 632,584.60 is: 948,520.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,738.88 : 2,969,992.86 = 632,584.60 : x
  2. Step 2: Convert to fraction form
    1,980,738.88/2,969,992.86 = 632,584.60/x
  3. Step 3: Cross multiply
    1,980,738.88x = 2,969,992.86 × 632,584.60
  4. Step 4: Simplify right side
    1,980,738.88x = 1,878,771,745,345.96
  5. Step 5: Solve for x
    x = 1,878,771,745,345.96/1,980,738.88
  6. Step 6: Final answer
    x = 948,520.66

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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.