Home / 1,992,166.40-2,972,711.92-1,777,458.35

Finding the Fourth Proportional to 1,992,166.40, 2,972,711.92 and 1,777,458.35

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Solution

The fourth proportional to 1,992,166.40, 2,972,711.92 and 1,777,458.35 is: 2,652,324.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,166.40 : 2,972,711.92 = 1,777,458.35 : x
  2. Step 2: Convert to fraction form
    1,992,166.40/2,972,711.92 = 1,777,458.35/x
  3. Step 3: Cross multiply
    1,992,166.40x = 2,972,711.92 × 1,777,458.35
  4. Step 4: Simplify right side
    1,992,166.40x = 5,283,871,615,461.24
  5. Step 5: Solve for x
    x = 5,283,871,615,461.24/1,992,166.40
  6. Step 6: Final answer
    x = 2,652,324.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.