Home / 1,906,821.18-2,631,458.66-1,047,399.44

Finding the Fourth Proportional to 1,906,821.18, 2,631,458.66 and 1,047,399.44

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Solution

The fourth proportional to 1,906,821.18, 2,631,458.66 and 1,047,399.44 is: 1,445,436.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,821.18 : 2,631,458.66 = 1,047,399.44 : x
  2. Step 2: Convert to fraction form
    1,906,821.18/2,631,458.66 = 1,047,399.44/x
  3. Step 3: Cross multiply
    1,906,821.18x = 2,631,458.66 × 1,047,399.44
  4. Step 4: Simplify right side
    1,906,821.18x = 2,756,188,308,472.86
  5. Step 5: Solve for x
    x = 2,756,188,308,472.86/1,906,821.18
  6. Step 6: Final answer
    x = 1,445,436.17

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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.