Home / 1,888,004.70-2,832,991.20-823,154.40

Finding the Fourth Proportional to 1,888,004.70, 2,832,991.20 and 823,154.40

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Solution

The fourth proportional to 1,888,004.70, 2,832,991.20 and 823,154.40 is: 1,235,160.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,004.70 : 2,832,991.20 = 823,154.40 : x
  2. Step 2: Convert to fraction form
    1,888,004.70/2,832,991.20 = 823,154.40/x
  3. Step 3: Cross multiply
    1,888,004.70x = 2,832,991.20 × 823,154.40
  4. Step 4: Simplify right side
    1,888,004.70x = 2,331,989,171,441.28
  5. Step 5: Solve for x
    x = 2,331,989,171,441.28/1,888,004.70
  6. Step 6: Final answer
    x = 1,235,160.68

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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.