Home / 1,911,751.57-2,638,273.23-1,040,643.08

Finding the Fourth Proportional to 1,911,751.57, 2,638,273.23 and 1,040,643.08

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Solution

The fourth proportional to 1,911,751.57, 2,638,273.23 and 1,040,643.08 is: 1,436,117.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,751.57 : 2,638,273.23 = 1,040,643.08 : x
  2. Step 2: Convert to fraction form
    1,911,751.57/2,638,273.23 = 1,040,643.08/x
  3. Step 3: Cross multiply
    1,911,751.57x = 2,638,273.23 × 1,040,643.08
  4. Step 4: Simplify right side
    1,911,751.57x = 2,745,500,761,554.17
  5. Step 5: Solve for x
    x = 2,745,500,761,554.17/1,911,751.57
  6. Step 6: Final answer
    x = 1,436,117.96

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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.