Home / 1,912,085.90-2,638,832.78-1,096,365.48

Finding the Fourth Proportional to 1,912,085.90, 2,638,832.78 and 1,096,365.48

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Solution

The fourth proportional to 1,912,085.90, 2,638,832.78 and 1,096,365.48 is: 1,513,072.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,085.90 : 2,638,832.78 = 1,096,365.48 : x
  2. Step 2: Convert to fraction form
    1,912,085.90/2,638,832.78 = 1,096,365.48/x
  3. Step 3: Cross multiply
    1,912,085.90x = 2,638,832.78 × 1,096,365.48
  4. Step 4: Simplify right side
    1,912,085.90x = 2,893,125,160,329.73
  5. Step 5: Solve for x
    x = 2,893,125,160,329.73/1,912,085.90
  6. Step 6: Final answer
    x = 1,513,072.80

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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.