Home / 1,947,982.38-2,921,973.57-528,038.45

Finding the Fourth Proportional to 1,947,982.38, 2,921,973.57 and 528,038.45

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Solution

The fourth proportional to 1,947,982.38, 2,921,973.57 and 528,038.45 is: 792,057.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,982.38 : 2,921,973.57 = 528,038.45 : x
  2. Step 2: Convert to fraction form
    1,947,982.38/2,921,973.57 = 528,038.45/x
  3. Step 3: Cross multiply
    1,947,982.38x = 2,921,973.57 × 528,038.45
  4. Step 4: Simplify right side
    1,947,982.38x = 1,542,914,380,233.90
  5. Step 5: Solve for x
    x = 1,542,914,380,233.90/1,947,982.38
  6. Step 6: Final answer
    x = 792,057.67

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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.