Home / 2,015,427.12-2,781,485.88-1,505,243.76

Finding the Fourth Proportional to 2,015,427.12, 2,781,485.88 and 1,505,243.76

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Solution

The fourth proportional to 2,015,427.12, 2,781,485.88 and 1,505,243.76 is: 2,077,383.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,427.12 : 2,781,485.88 = 1,505,243.76 : x
  2. Step 2: Convert to fraction form
    2,015,427.12/2,781,485.88 = 1,505,243.76/x
  3. Step 3: Cross multiply
    2,015,427.12x = 2,781,485.88 × 1,505,243.76
  4. Step 4: Simplify right side
    2,015,427.12x = 4,186,814,264,398.11
  5. Step 5: Solve for x
    x = 4,186,814,264,398.11/2,015,427.12
  6. Step 6: Final answer
    x = 2,077,383.11

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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.