Home / 2,311,458.33-3,189,639.29-1,292,666.25

Finding the Fourth Proportional to 2,311,458.33, 3,189,639.29 and 1,292,666.25

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Solution

The fourth proportional to 2,311,458.33, 3,189,639.29 and 1,292,666.25 is: 1,783,782.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,458.33 : 3,189,639.29 = 1,292,666.25 : x
  2. Step 2: Convert to fraction form
    2,311,458.33/3,189,639.29 = 1,292,666.25/x
  3. Step 3: Cross multiply
    2,311,458.33x = 3,189,639.29 × 1,292,666.25
  4. Step 4: Simplify right side
    2,311,458.33x = 4,123,139,053,393.63
  5. Step 5: Solve for x
    x = 4,123,139,053,393.63/2,311,458.33
  6. Step 6: Final answer
    x = 1,783,782.56

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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.