Home / 2,970,987.66-4,100,061.24-1,681,801.38

Finding the Fourth Proportional to 2,970,987.66, 4,100,061.24 and 1,681,801.38

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Solution

The fourth proportional to 2,970,987.66, 4,100,061.24 and 1,681,801.38 is: 2,320,941.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970,987.66 : 4,100,061.24 = 1,681,801.38 : x
  2. Step 2: Convert to fraction form
    2,970,987.66/4,100,061.24 = 1,681,801.38/x
  3. Step 3: Cross multiply
    2,970,987.66x = 4,100,061.24 × 1,681,801.38
  4. Step 4: Simplify right side
    2,970,987.66x = 6,895,488,651,516.51
  5. Step 5: Solve for x
    x = 6,895,488,651,516.51/2,970,987.66
  6. Step 6: Final answer
    x = 2,320,941.53

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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.