Home / 1,912,259.50-2,638,870.34-1,085,487.44

Finding the Fourth Proportional to 1,912,259.50, 2,638,870.34 and 1,085,487.44

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Solution

The fourth proportional to 1,912,259.50, 2,638,870.34 and 1,085,487.44 is: 1,497,945.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,259.50 : 2,638,870.34 = 1,085,487.44 : x
  2. Step 2: Convert to fraction form
    1,912,259.50/2,638,870.34 = 1,085,487.44/x
  3. Step 3: Cross multiply
    1,912,259.50x = 2,638,870.34 × 1,085,487.44
  4. Step 4: Simplify right side
    1,912,259.50x = 2,864,460,609,858.53
  5. Step 5: Solve for x
    x = 2,864,460,609,858.53/1,912,259.50
  6. Step 6: Final answer
    x = 1,497,945.55

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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.