Home / 3,749,968.80-5,175,275.04-2,118,675.60

Finding the Fourth Proportional to 3,749,968.80, 5,175,275.04 and 2,118,675.60

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Solution

The fourth proportional to 3,749,968.80, 5,175,275.04 and 2,118,675.60 is: 2,923,952.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749,968.80 : 5,175,275.04 = 2,118,675.60 : x
  2. Step 2: Convert to fraction form
    3,749,968.80/5,175,275.04 = 2,118,675.60/x
  3. Step 3: Cross multiply
    3,749,968.80x = 5,175,275.04 × 2,118,675.60
  4. Step 4: Simplify right side
    3,749,968.80x = 10,964,728,950,537.03
  5. Step 5: Solve for x
    x = 10,964,728,950,537.03/3,749,968.80
  6. Step 6: Final answer
    x = 2,923,952.05

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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.