Home / 1,926,272.31-2,658,405.38-1,066,912.53

Finding the Fourth Proportional to 1,926,272.31, 2,658,405.38 and 1,066,912.53

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Solution

The fourth proportional to 1,926,272.31, 2,658,405.38 and 1,066,912.53 is: 1,472,422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,272.31 : 2,658,405.38 = 1,066,912.53 : x
  2. Step 2: Convert to fraction form
    1,926,272.31/2,658,405.38 = 1,066,912.53/x
  3. Step 3: Cross multiply
    1,926,272.31x = 2,658,405.38 × 1,066,912.53
  4. Step 4: Simplify right side
    1,926,272.31x = 2,836,286,009,741.41
  5. Step 5: Solve for x
    x = 2,836,286,009,741.41/1,926,272.31
  6. Step 6: Final answer
    x = 1,472,422.15

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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.