Home / 2,132,135.54-2,942,062.80-1,369,222.46

Finding the Fourth Proportional to 2,132,135.54, 2,942,062.80 and 1,369,222.46

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Solution

The fourth proportional to 2,132,135.54, 2,942,062.80 and 1,369,222.46 is: 1,889,344.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,135.54 : 2,942,062.80 = 1,369,222.46 : x
  2. Step 2: Convert to fraction form
    2,132,135.54/2,942,062.80 = 1,369,222.46/x
  3. Step 3: Cross multiply
    2,132,135.54x = 2,942,062.80 × 1,369,222.46
  4. Step 4: Simplify right side
    2,132,135.54x = 4,028,338,464,490.49
  5. Step 5: Solve for x
    x = 4,028,338,464,490.49/2,132,135.54
  6. Step 6: Final answer
    x = 1,889,344.46

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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.