Home / 6,439,884.12-8,887,240.08-3,539,222.28

Finding the Fourth Proportional to 6,439,884.12, 8,887,240.08 and 3,539,222.28

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Solution

The fourth proportional to 6,439,884.12, 8,887,240.08 and 3,539,222.28 is: 4,884,236.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,884.12 : 8,887,240.08 = 3,539,222.28 : x
  2. Step 2: Convert to fraction form
    6,439,884.12/8,887,240.08 = 3,539,222.28/x
  3. Step 3: Cross multiply
    6,439,884.12x = 8,887,240.08 × 3,539,222.28
  4. Step 4: Simplify right side
    6,439,884.12x = 31,453,918,098,844.98
  5. Step 5: Solve for x
    x = 31,453,918,098,844.98/6,439,884.12
  6. Step 6: Final answer
    x = 4,884,236.66

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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.