Home / 2,187,009.15-3,280,513.73-1,230,415.35

Finding the Fourth Proportional to 2,187,009.15, 3,280,513.73 and 1,230,415.35

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Solution

The fourth proportional to 2,187,009.15, 3,280,513.73 and 1,230,415.35 is: 1,845,623.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,009.15 : 3,280,513.73 = 1,230,415.35 : x
  2. Step 2: Convert to fraction form
    2,187,009.15/3,280,513.73 = 1,230,415.35/x
  3. Step 3: Cross multiply
    2,187,009.15x = 3,280,513.73 × 1,230,415.35
  4. Step 4: Simplify right side
    2,187,009.15x = 4,036,394,443,125.68
  5. Step 5: Solve for x
    x = 4,036,394,443,125.68/2,187,009.15
  6. Step 6: Final answer
    x = 1,845,623.03

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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.