Home / 5,372,094.40-8,051,920.80-2,175,121.60

Finding the Fourth Proportional to 5,372,094.40, 8,051,920.80 and 2,175,121.60

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Solution

The fourth proportional to 5,372,094.40, 8,051,920.80 and 2,175,121.60 is: 3,260,163.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372,094.40 : 8,051,920.80 = 2,175,121.60 : x
  2. Step 2: Convert to fraction form
    5,372,094.40/8,051,920.80 = 2,175,121.60/x
  3. Step 3: Cross multiply
    5,372,094.40x = 8,051,920.80 × 2,175,121.60
  4. Step 4: Simplify right side
    5,372,094.40x = 17,513,906,853,569.28
  5. Step 5: Solve for x
    x = 17,513,906,853,569.28/5,372,094.40
  6. Step 6: Final answer
    x = 3,260,163.64

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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.