Home / 2,091,881.18-3,139,503.02-1,081,299.15

Finding the Fourth Proportional to 2,091,881.18, 3,139,503.02 and 1,081,299.15

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Solution

The fourth proportional to 2,091,881.18, 3,139,503.02 and 1,081,299.15 is: 1,622,817.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,881.18 : 3,139,503.02 = 1,081,299.15 : x
  2. Step 2: Convert to fraction form
    2,091,881.18/3,139,503.02 = 1,081,299.15/x
  3. Step 3: Cross multiply
    2,091,881.18x = 3,139,503.02 × 1,081,299.15
  4. Step 4: Simplify right side
    2,091,881.18x = 3,394,741,941,541.94
  5. Step 5: Solve for x
    x = 3,394,741,941,541.94/2,091,881.18
  6. Step 6: Final answer
    x = 1,622,817.77

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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.