Home / 1,640,336.10-2,463,128.55-1,241,427.30

Finding the Fourth Proportional to 1,640,336.10, 2,463,128.55 and 1,241,427.30

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Solution

The fourth proportional to 1,640,336.10, 2,463,128.55 and 1,241,427.30 is: 1,864,127.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,336.10 : 2,463,128.55 = 1,241,427.30 : x
  2. Step 2: Convert to fraction form
    1,640,336.10/2,463,128.55 = 1,241,427.30/x
  3. Step 3: Cross multiply
    1,640,336.10x = 2,463,128.55 × 1,241,427.30
  4. Step 4: Simplify right side
    1,640,336.10x = 3,057,795,025,379.42
  5. Step 5: Solve for x
    x = 3,057,795,025,379.42/1,640,336.10
  6. Step 6: Final answer
    x = 1,864,127.13

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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.