Home / 2,142,814.40-3,214,338.24-646,867.52

Finding the Fourth Proportional to 2,142,814.40, 3,214,338.24 and 646,867.52

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Solution

The fourth proportional to 2,142,814.40, 3,214,338.24 and 646,867.52 is: 970,336.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,814.40 : 3,214,338.24 = 646,867.52 : x
  2. Step 2: Convert to fraction form
    2,142,814.40/3,214,338.24 = 646,867.52/x
  3. Step 3: Cross multiply
    2,142,814.40x = 3,214,338.24 × 646,867.52
  4. Step 4: Simplify right side
    2,142,814.40x = 2,079,251,005,749.97
  5. Step 5: Solve for x
    x = 2,079,251,005,749.97/2,142,814.40
  6. Step 6: Final answer
    x = 970,336.49

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1.5x scale

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.