Home / 3,551,178.72-5,330,748.48-1,422,746.52

Finding the Fourth Proportional to 3,551,178.72, 5,330,748.48 and 1,422,746.52

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Solution

The fourth proportional to 3,551,178.72, 5,330,748.48 and 1,422,746.52 is: 2,135,714.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551,178.72 : 5,330,748.48 = 1,422,746.52 : x
  2. Step 2: Convert to fraction form
    3,551,178.72/5,330,748.48 = 1,422,746.52/x
  3. Step 3: Cross multiply
    3,551,178.72x = 5,330,748.48 × 1,422,746.52
  4. Step 4: Simplify right side
    3,551,178.72x = 7,584,303,848,915.29
  5. Step 5: Solve for x
    x = 7,584,303,848,915.29/3,551,178.72
  6. Step 6: Final answer
    x = 2,135,714.49

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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.