Home / 1,644,810.63-2,269,143.61-1,101,121.57

Finding the Fourth Proportional to 1,644,810.63, 2,269,143.61 and 1,101,121.57

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Solution

The fourth proportional to 1,644,810.63, 2,269,143.61 and 1,101,121.57 is: 1,519,082.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,810.63 : 2,269,143.61 = 1,101,121.57 : x
  2. Step 2: Convert to fraction form
    1,644,810.63/2,269,143.61 = 1,101,121.57/x
  3. Step 3: Cross multiply
    1,644,810.63x = 2,269,143.61 × 1,101,121.57
  4. Step 4: Simplify right side
    1,644,810.63x = 2,498,602,974,398.67
  5. Step 5: Solve for x
    x = 2,498,602,974,398.67/1,644,810.63
  6. Step 6: Final answer
    x = 1,519,082.46

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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.