Home / 1,972,315.44-2,721,793.32-1,066,895.28

Finding the Fourth Proportional to 1,972,315.44, 2,721,793.32 and 1,066,895.28

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Solution

The fourth proportional to 1,972,315.44, 2,721,793.32 and 1,066,895.28 is: 1,472,314.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,315.44 : 2,721,793.32 = 1,066,895.28 : x
  2. Step 2: Convert to fraction form
    1,972,315.44/2,721,793.32 = 1,066,895.28/x
  3. Step 3: Cross multiply
    1,972,315.44x = 2,721,793.32 × 1,066,895.28
  4. Step 4: Simplify right side
    1,972,315.44x = 2,903,868,446,243.53
  5. Step 5: Solve for x
    x = 2,903,868,446,243.53/1,972,315.44
  6. Step 6: Final answer
    x = 1,472,314.41

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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.