Home / 2,119,844.61-3,172,418.60-2,031,664.77

Finding the Fourth Proportional to 2,119,844.61, 3,172,418.60 and 2,031,664.77

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Solution

The fourth proportional to 2,119,844.61, 3,172,418.60 and 2,031,664.77 is: 3,040,454.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,844.61 : 3,172,418.60 = 2,031,664.77 : x
  2. Step 2: Convert to fraction form
    2,119,844.61/3,172,418.60 = 2,031,664.77/x
  3. Step 3: Cross multiply
    2,119,844.61x = 3,172,418.60 × 2,031,664.77
  4. Step 4: Simplify right side
    2,119,844.61x = 6,445,291,095,154.40
  5. Step 5: Solve for x
    x = 6,445,291,095,154.40/2,119,844.61
  6. Step 6: Final answer
    x = 3,040,454.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.