Home / 3,958,256-5,462,403.84-2,147,420

Finding the Fourth Proportional to 3,958,256, 5,462,403.84 and 2,147,420

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Solution

The fourth proportional to 3,958,256, 5,462,403.84 and 2,147,420 is: 2,963,445.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958,256 : 5,462,403.84 = 2,147,420 : x
  2. Step 2: Convert to fraction form
    3,958,256/5,462,403.84 = 2,147,420/x
  3. Step 3: Cross multiply
    3,958,256x = 5,462,403.84 × 2,147,420
  4. Step 4: Simplify right side
    3,958,256x = 11,730,075,254,092.80
  5. Step 5: Solve for x
    x = 11,730,075,254,092.80/3,958,256
  6. Step 6: Final answer
    x = 2,963,445.33

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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.