Home / 3,243,845.64-4,867,192.76-1,539,221.32

Finding the Fourth Proportional to 3,243,845.64, 4,867,192.76 and 1,539,221.32

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Solution

The fourth proportional to 3,243,845.64, 4,867,192.76 and 1,539,221.32 is: 2,309,507.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243,845.64 : 4,867,192.76 = 1,539,221.32 : x
  2. Step 2: Convert to fraction form
    3,243,845.64/4,867,192.76 = 1,539,221.32/x
  3. Step 3: Cross multiply
    3,243,845.64x = 4,867,192.76 × 1,539,221.32
  4. Step 4: Simplify right side
    3,243,845.64x = 7,491,686,864,741.64
  5. Step 5: Solve for x
    x = 7,491,686,864,741.64/3,243,845.64
  6. Step 6: Final answer
    x = 2,309,507.82

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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.