Home / 2,992,345.20-4,489,148.27-970,431.45

Finding the Fourth Proportional to 2,992,345.20, 4,489,148.27 and 970,431.45

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Solution

The fourth proportional to 2,992,345.20, 4,489,148.27 and 970,431.45 is: 1,455,851.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992,345.20 : 4,489,148.27 = 970,431.45 : x
  2. Step 2: Convert to fraction form
    2,992,345.20/4,489,148.27 = 970,431.45/x
  3. Step 3: Cross multiply
    2,992,345.20x = 4,489,148.27 × 970,431.45
  4. Step 4: Simplify right side
    2,992,345.20x = 4,356,410,661,027.62
  5. Step 5: Solve for x
    x = 4,356,410,661,027.62/2,992,345.20
  6. Step 6: Final answer
    x = 1,455,851.64

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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.