Home / 2,148,511.76-3,222,720.83-1,010,643.26

Finding the Fourth Proportional to 2,148,511.76, 3,222,720.83 and 1,010,643.26

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Solution

The fourth proportional to 2,148,511.76, 3,222,720.83 and 1,010,643.26 is: 1,515,942.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,511.76 : 3,222,720.83 = 1,010,643.26 : x
  2. Step 2: Convert to fraction form
    2,148,511.76/3,222,720.83 = 1,010,643.26/x
  3. Step 3: Cross multiply
    2,148,511.76x = 3,222,720.83 × 1,010,643.26
  4. Step 4: Simplify right side
    2,148,511.76x = 3,257,021,064,534.29
  5. Step 5: Solve for x
    x = 3,257,021,064,534.29/2,148,511.76
  6. Step 6: Final answer
    x = 1,515,942.86

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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.