Home / 3,572,518.72-5,358,782.26-978,845.46

Finding the Fourth Proportional to 3,572,518.72, 5,358,782.26 and 978,845.46

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Solution

The fourth proportional to 3,572,518.72, 5,358,782.26 and 978,845.46 is: 1,468,269.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572,518.72 : 5,358,782.26 = 978,845.46 : x
  2. Step 2: Convert to fraction form
    3,572,518.72/5,358,782.26 = 978,845.46/x
  3. Step 3: Cross multiply
    3,572,518.72x = 5,358,782.26 × 978,845.46
  4. Step 4: Simplify right side
    3,572,518.72x = 5,245,419,692,094.81
  5. Step 5: Solve for x
    x = 5,245,419,692,094.81/3,572,518.72
  6. Step 6: Final answer
    x = 1,468,269.34

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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.