Home / 1,581,787.19-2,183,083.56-969,831.78

Finding the Fourth Proportional to 1,581,787.19, 2,183,083.56 and 969,831.78

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Solution

The fourth proportional to 1,581,787.19, 2,183,083.56 and 969,831.78 is: 1,338,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,787.19 : 2,183,083.56 = 969,831.78 : x
  2. Step 2: Convert to fraction form
    1,581,787.19/2,183,083.56 = 969,831.78/x
  3. Step 3: Cross multiply
    1,581,787.19x = 2,183,083.56 × 969,831.78
  4. Step 4: Simplify right side
    1,581,787.19x = 2,117,223,814,883.54
  5. Step 5: Solve for x
    x = 2,117,223,814,883.54/1,581,787.19
  6. Step 6: Final answer
    x = 1,338,501.05

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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.