Home / 5,638,392.64-7,780,987.20-3,060,074.09

Finding the Fourth Proportional to 5,638,392.64, 7,780,987.20 and 3,060,074.09

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Solution

The fourth proportional to 5,638,392.64, 7,780,987.20 and 3,060,074.09 is: 4,222,905.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,392.64 : 7,780,987.20 = 3,060,074.09 : x
  2. Step 2: Convert to fraction form
    5,638,392.64/7,780,987.20 = 3,060,074.09/x
  3. Step 3: Cross multiply
    5,638,392.64x = 7,780,987.20 × 3,060,074.09
  4. Step 4: Simplify right side
    5,638,392.64x = 23,810,397,330,450.02
  5. Step 5: Solve for x
    x = 23,810,397,330,450.02/5,638,392.64
  6. Step 6: Final answer
    x = 4,222,905.16

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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.