Home / 6,449,459.31-8,899,986.60-3,509,288.55

Finding the Fourth Proportional to 6,449,459.31, 8,899,986.60 and 3,509,288.55

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Solution

The fourth proportional to 6,449,459.31, 8,899,986.60 and 3,509,288.55 is: 4,842,672.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,449,459.31 : 8,899,986.60 = 3,509,288.55 : x
  2. Step 2: Convert to fraction form
    6,449,459.31/8,899,986.60 = 3,509,288.55/x
  3. Step 3: Cross multiply
    6,449,459.31x = 8,899,986.60 × 3,509,288.55
  4. Step 4: Simplify right side
    6,449,459.31x = 31,232,621,070,533.43
  5. Step 5: Solve for x
    x = 31,232,621,070,533.43/6,449,459.31
  6. Step 6: Final answer
    x = 4,842,672.78

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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.