Home / 2,487,558.23-3,728,187.45-1,208,458.47

Finding the Fourth Proportional to 2,487,558.23, 3,728,187.45 and 1,208,458.47

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Solution

The fourth proportional to 2,487,558.23, 3,728,187.45 and 1,208,458.47 is: 1,811,157.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487,558.23 : 3,728,187.45 = 1,208,458.47 : x
  2. Step 2: Convert to fraction form
    2,487,558.23/3,728,187.45 = 1,208,458.47/x
  3. Step 3: Cross multiply
    2,487,558.23x = 3,728,187.45 × 1,208,458.47
  4. Step 4: Simplify right side
    2,487,558.23x = 4,505,359,701,700.20
  5. Step 5: Solve for x
    x = 4,505,359,701,700.20/2,487,558.23
  6. Step 6: Final answer
    x = 1,811,157.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.