Home / 3,145,967.12-4,331,491.23-2,858,629.34

Finding the Fourth Proportional to 3,145,967.12, 4,331,491.23 and 2,858,629.34

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Solution

The fourth proportional to 3,145,967.12, 4,331,491.23 and 2,858,629.34 is: 3,935,873.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,967.12 : 4,331,491.23 = 2,858,629.34 : x
  2. Step 2: Convert to fraction form
    3,145,967.12/4,331,491.23 = 2,858,629.34/x
  3. Step 3: Cross multiply
    3,145,967.12x = 4,331,491.23 × 2,858,629.34
  4. Step 4: Simplify right side
    3,145,967.12x = 12,382,127,916,030.69
  5. Step 5: Solve for x
    x = 12,382,127,916,030.69/3,145,967.12
  6. Step 6: Final answer
    x = 3,935,873.28

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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.