Home / 2,018,855.45-2,785,522.14-1,191,948.32

Finding the Fourth Proportional to 2,018,855.45, 2,785,522.14 and 1,191,948.32

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Solution

The fourth proportional to 2,018,855.45, 2,785,522.14 and 1,191,948.32 is: 1,644,594.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,855.45 : 2,785,522.14 = 1,191,948.32 : x
  2. Step 2: Convert to fraction form
    2,018,855.45/2,785,522.14 = 1,191,948.32/x
  3. Step 3: Cross multiply
    2,018,855.45x = 2,785,522.14 × 1,191,948.32
  4. Step 4: Simplify right side
    2,018,855.45x = 3,320,198,442,059.61
  5. Step 5: Solve for x
    x = 3,320,198,442,059.61/2,018,855.45
  6. Step 6: Final answer
    x = 1,644,594.43

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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.