Home / 2,885,442.90-3,981,195.81-1,865,620.50

Finding the Fourth Proportional to 2,885,442.90, 3,981,195.81 and 1,865,620.50

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Solution

The fourth proportional to 2,885,442.90, 3,981,195.81 and 1,865,620.50 is: 2,574,093.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,442.90 : 3,981,195.81 = 1,865,620.50 : x
  2. Step 2: Convert to fraction form
    2,885,442.90/3,981,195.81 = 1,865,620.50/x
  3. Step 3: Cross multiply
    2,885,442.90x = 3,981,195.81 × 1,865,620.50
  4. Step 4: Simplify right side
    2,885,442.90x = 7,427,400,517,650.11
  5. Step 5: Solve for x
    x = 7,427,400,517,650.11/2,885,442.90
  6. Step 6: Final answer
    x = 2,574,093.74

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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.