Home / 3,230,764.64-4,458,485.48-1,780,513.12

Finding the Fourth Proportional to 3,230,764.64, 4,458,485.48 and 1,780,513.12

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Solution

The fourth proportional to 3,230,764.64, 4,458,485.48 and 1,780,513.12 is: 2,457,124.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230,764.64 : 4,458,485.48 = 1,780,513.12 : x
  2. Step 2: Convert to fraction form
    3,230,764.64/4,458,485.48 = 1,780,513.12/x
  3. Step 3: Cross multiply
    3,230,764.64x = 4,458,485.48 × 1,780,513.12
  4. Step 4: Simplify right side
    3,230,764.64x = 7,938,391,892,469.50
  5. Step 5: Solve for x
    x = 7,938,391,892,469.50/3,230,764.64
  6. Step 6: Final answer
    x = 2,457,124.79

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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.