Home / 2,781,141.12-3,838,029.12-1,814,889.60

Finding the Fourth Proportional to 2,781,141.12, 3,838,029.12 and 1,814,889.60

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Solution

The fourth proportional to 2,781,141.12, 3,838,029.12 and 1,814,889.60 is: 2,504,583.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,141.12 : 3,838,029.12 = 1,814,889.60 : x
  2. Step 2: Convert to fraction form
    2,781,141.12/3,838,029.12 = 1,814,889.60/x
  3. Step 3: Cross multiply
    2,781,141.12x = 3,838,029.12 × 1,814,889.60
  4. Step 4: Simplify right side
    2,781,141.12x = 6,965,599,134,385.15
  5. Step 5: Solve for x
    x = 6,965,599,134,385.15/2,781,141.12
  6. Step 6: Final answer
    x = 2,504,583.13

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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.