Home / 6,143,725.21-8,478,544.42-3,353,001.28

Finding the Fourth Proportional to 6,143,725.21, 8,478,544.42 and 3,353,001.28

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Solution

The fourth proportional to 6,143,725.21, 8,478,544.42 and 3,353,001.28 is: 4,627,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143,725.21 : 8,478,544.42 = 3,353,001.28 : x
  2. Step 2: Convert to fraction form
    6,143,725.21/8,478,544.42 = 3,353,001.28/x
  3. Step 3: Cross multiply
    6,143,725.21x = 8,478,544.42 × 3,353,001.28
  4. Step 4: Simplify right side
    6,143,725.21x = 28,428,570,258,786.64
  5. Step 5: Solve for x
    x = 28,428,570,258,786.64/6,143,725.21
  6. Step 6: Final answer
    x = 4,627,252.90

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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.