Home / 3,896,870.37-5,377,511.95-2,130,736.29

Finding the Fourth Proportional to 3,896,870.37, 5,377,511.95 and 2,130,736.29

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Solution

The fourth proportional to 3,896,870.37, 5,377,511.95 and 2,130,736.29 is: 2,940,323.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896,870.37 : 5,377,511.95 = 2,130,736.29 : x
  2. Step 2: Convert to fraction form
    3,896,870.37/5,377,511.95 = 2,130,736.29/x
  3. Step 3: Cross multiply
    3,896,870.37x = 5,377,511.95 × 2,130,736.29
  4. Step 4: Simplify right side
    3,896,870.37x = 11,458,059,861,773.67
  5. Step 5: Solve for x
    x = 11,458,059,861,773.67/3,896,870.37
  6. Step 6: Final answer
    x = 2,940,323.59

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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.