Home / 2,565,212.40-3,845,280.60-1,215,001.80

Finding the Fourth Proportional to 2,565,212.40, 3,845,280.60 and 1,215,001.80

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Solution

The fourth proportional to 2,565,212.40, 3,845,280.60 and 1,215,001.80 is: 1,821,300.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565,212.40 : 3,845,280.60 = 1,215,001.80 : x
  2. Step 2: Convert to fraction form
    2,565,212.40/3,845,280.60 = 1,215,001.80/x
  3. Step 3: Cross multiply
    2,565,212.40x = 3,845,280.60 × 1,215,001.80
  4. Step 4: Simplify right side
    2,565,212.40x = 4,672,022,850,505.08
  5. Step 5: Solve for x
    x = 4,672,022,850,505.08/2,565,212.40
  6. Step 6: Final answer
    x = 1,821,300.59

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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.