Home / 2,406,172.55-3,320,297.30-1,387,380.47

Finding the Fourth Proportional to 2,406,172.55, 3,320,297.30 and 1,387,380.47

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Solution

The fourth proportional to 2,406,172.55, 3,320,297.30 and 1,387,380.47 is: 1,914,457.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406,172.55 : 3,320,297.30 = 1,387,380.47 : x
  2. Step 2: Convert to fraction form
    2,406,172.55/3,320,297.30 = 1,387,380.47/x
  3. Step 3: Cross multiply
    2,406,172.55x = 3,320,297.30 × 1,387,380.47
  4. Step 4: Simplify right side
    2,406,172.55x = 4,606,515,615,480.70
  5. Step 5: Solve for x
    x = 4,606,515,615,480.70/2,406,172.55
  6. Step 6: Final answer
    x = 1,914,457.72

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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.