Home / 2,845,530.32-3,926,957.64-1,638,695.12

Finding the Fourth Proportional to 2,845,530.32, 3,926,957.64 and 1,638,695.12

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Solution

The fourth proportional to 2,845,530.32, 3,926,957.64 and 1,638,695.12 is: 2,261,471.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845,530.32 : 3,926,957.64 = 1,638,695.12 : x
  2. Step 2: Convert to fraction form
    2,845,530.32/3,926,957.64 = 1,638,695.12/x
  3. Step 3: Cross multiply
    2,845,530.32x = 3,926,957.64 × 1,638,695.12
  4. Step 4: Simplify right side
    2,845,530.32x = 6,435,086,321,114.72
  5. Step 5: Solve for x
    x = 6,435,086,321,114.72/2,845,530.32
  6. Step 6: Final answer
    x = 2,261,471.71

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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.