Home / 2,811,166.40-3,879,362.64-1,521,996.32

Finding the Fourth Proportional to 2,811,166.40, 3,879,362.64 and 1,521,996.32

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Solution

The fourth proportional to 2,811,166.40, 3,879,362.64 and 1,521,996.32 is: 2,100,329.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,166.40 : 3,879,362.64 = 1,521,996.32 : x
  2. Step 2: Convert to fraction form
    2,811,166.40/3,879,362.64 = 1,521,996.32/x
  3. Step 3: Cross multiply
    2,811,166.40x = 3,879,362.64 × 1,521,996.32
  4. Step 4: Simplify right side
    2,811,166.40x = 5,904,375,662,025.49
  5. Step 5: Solve for x
    x = 5,904,375,662,025.49/2,811,166.40
  6. Step 6: Final answer
    x = 2,100,329.48

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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.