Home / 5,485,856.78-7,570,149.53-3,038,321.30

Finding the Fourth Proportional to 5,485,856.78, 7,570,149.53 and 3,038,321.30

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Solution

The fourth proportional to 5,485,856.78, 7,570,149.53 and 3,038,321.30 is: 4,192,699.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485,856.78 : 7,570,149.53 = 3,038,321.30 : x
  2. Step 2: Convert to fraction form
    5,485,856.78/7,570,149.53 = 3,038,321.30/x
  3. Step 3: Cross multiply
    5,485,856.78x = 7,570,149.53 × 3,038,321.30
  4. Step 4: Simplify right side
    5,485,856.78x = 23,000,546,508,141.64
  5. Step 5: Solve for x
    x = 23,000,546,508,141.64/5,485,856.78
  6. Step 6: Final answer
    x = 4,192,699.05

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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.