Home / 2,139,171.66-3,208,762.95-541,734.92

Finding the Fourth Proportional to 2,139,171.66, 3,208,762.95 and 541,734.92

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Solution

The fourth proportional to 2,139,171.66, 3,208,762.95 and 541,734.92 is: 812,603.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,171.66 : 3,208,762.95 = 541,734.92 : x
  2. Step 2: Convert to fraction form
    2,139,171.66/3,208,762.95 = 541,734.92/x
  3. Step 3: Cross multiply
    2,139,171.66x = 3,208,762.95 × 541,734.92
  4. Step 4: Simplify right side
    2,139,171.66x = 1,738,298,940,017.21
  5. Step 5: Solve for x
    x = 1,738,298,940,017.21/2,139,171.66
  6. Step 6: Final answer
    x = 812,603.76

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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.