Home / 3,027,904.32-4,178,390.63-1,721,327.55

Finding the Fourth Proportional to 3,027,904.32, 4,178,390.63 and 1,721,327.55

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Solution

The fourth proportional to 3,027,904.32, 4,178,390.63 and 1,721,327.55 is: 2,375,365.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027,904.32 : 4,178,390.63 = 1,721,327.55 : x
  2. Step 2: Convert to fraction form
    3,027,904.32/4,178,390.63 = 1,721,327.55/x
  3. Step 3: Cross multiply
    3,027,904.32x = 4,178,390.63 × 1,721,327.55
  4. Step 4: Simplify right side
    3,027,904.32x = 7,192,378,906,080.86
  5. Step 5: Solve for x
    x = 7,192,378,906,080.86/3,027,904.32
  6. Step 6: Final answer
    x = 2,375,365.32

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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.