Home / 5,752,128.78-7,938,103.83-3,173,975.64

Finding the Fourth Proportional to 5,752,128.78, 7,938,103.83 and 3,173,975.64

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Solution

The fourth proportional to 5,752,128.78, 7,938,103.83 and 3,173,975.64 is: 4,380,178.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,752,128.78 : 7,938,103.83 = 3,173,975.64 : x
  2. Step 2: Convert to fraction form
    5,752,128.78/7,938,103.83 = 3,173,975.64/x
  3. Step 3: Cross multiply
    5,752,128.78x = 7,938,103.83 × 3,173,975.64
  4. Step 4: Simplify right side
    5,752,128.78x = 25,195,348,184,210.70
  5. Step 5: Solve for x
    x = 25,195,348,184,210.70/5,752,128.78
  6. Step 6: Final answer
    x = 4,380,178.04

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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.