Home / 1,965,644.09-2,712,140.06-1,105,890.65

Finding the Fourth Proportional to 1,965,644.09, 2,712,140.06 and 1,105,890.65

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Solution

The fourth proportional to 1,965,644.09, 2,712,140.06 and 1,105,890.65 is: 1,525,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,644.09 : 2,712,140.06 = 1,105,890.65 : x
  2. Step 2: Convert to fraction form
    1,965,644.09/2,712,140.06 = 1,105,890.65/x
  3. Step 3: Cross multiply
    1,965,644.09x = 2,712,140.06 × 1,105,890.65
  4. Step 4: Simplify right side
    1,965,644.09x = 2,999,330,314,754.29
  5. Step 5: Solve for x
    x = 2,999,330,314,754.29/1,965,644.09
  6. Step 6: Final answer
    x = 1,525,876.60

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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.