Home / 1,843,399.80-2,765,099.70-1,640,446.20

Finding the Fourth Proportional to 1,843,399.80, 2,765,099.70 and 1,640,446.20

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Solution

The fourth proportional to 1,843,399.80, 2,765,099.70 and 1,640,446.20 is: 2,460,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843,399.80 : 2,765,099.70 = 1,640,446.20 : x
  2. Step 2: Convert to fraction form
    1,843,399.80/2,765,099.70 = 1,640,446.20/x
  3. Step 3: Cross multiply
    1,843,399.80x = 2,765,099.70 × 1,640,446.20
  4. Step 4: Simplify right side
    1,843,399.80x = 4,535,997,295,486.14
  5. Step 5: Solve for x
    x = 4,535,997,295,486.14/1,843,399.80
  6. Step 6: Final answer
    x = 2,460,669.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.