Home / 3,177,664-4,388,920.32-2,102,709.76

Finding the Fourth Proportional to 3,177,664, 4,388,920.32 and 2,102,709.76

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Solution

The fourth proportional to 3,177,664, 4,388,920.32 and 2,102,709.76 is: 2,904,216.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177,664 : 4,388,920.32 = 2,102,709.76 : x
  2. Step 2: Convert to fraction form
    3,177,664/4,388,920.32 = 2,102,709.76/x
  3. Step 3: Cross multiply
    3,177,664x = 4,388,920.32 × 2,102,709.76
  4. Step 4: Simplify right side
    3,177,664x = 9,228,625,592,726.32
  5. Step 5: Solve for x
    x = 9,228,625,592,726.32/3,177,664
  6. Step 6: Final answer
    x = 2,904,216.93

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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.