Home / 3,428,975.26-5,139,862.39-1,153,709.72

Finding the Fourth Proportional to 3,428,975.26, 5,139,862.39 and 1,153,709.72

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Solution

The fourth proportional to 3,428,975.26, 5,139,862.39 and 1,153,709.72 is: 1,729,353.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,975.26 : 5,139,862.39 = 1,153,709.72 : x
  2. Step 2: Convert to fraction form
    3,428,975.26/5,139,862.39 = 1,153,709.72/x
  3. Step 3: Cross multiply
    3,428,975.26x = 5,139,862.39 × 1,153,709.72
  4. Step 4: Simplify right side
    3,428,975.26x = 5,929,909,205,623.19
  5. Step 5: Solve for x
    x = 5,929,909,205,623.19/3,428,975.26
  6. Step 6: Final answer
    x = 1,729,353.16

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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.