Home / 2,640,169.82-3,643,018.19-1,537,782.66

Finding the Fourth Proportional to 2,640,169.82, 3,643,018.19 and 1,537,782.66

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Solution

The fourth proportional to 2,640,169.82, 3,643,018.19 and 1,537,782.66 is: 2,121,897.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,169.82 : 3,643,018.19 = 1,537,782.66 : x
  2. Step 2: Convert to fraction form
    2,640,169.82/3,643,018.19 = 1,537,782.66/x
  3. Step 3: Cross multiply
    2,640,169.82x = 3,643,018.19 × 1,537,782.66
  4. Step 4: Simplify right side
    2,640,169.82x = 5,602,170,200,724.36
  5. Step 5: Solve for x
    x = 5,602,170,200,724.36/2,640,169.82
  6. Step 6: Final answer
    x = 2,121,897.67

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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.