Home / 2,997,200.10-4,486,942.80-1,987,462.20

Finding the Fourth Proportional to 2,997,200.10, 4,486,942.80 and 1,987,462.20

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Solution

The fourth proportional to 2,997,200.10, 4,486,942.80 and 1,987,462.20 is: 2,975,319.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997,200.10 : 4,486,942.80 = 1,987,462.20 : x
  2. Step 2: Convert to fraction form
    2,997,200.10/4,486,942.80 = 1,987,462.20/x
  3. Step 3: Cross multiply
    2,997,200.10x = 4,486,942.80 × 1,987,462.20
  4. Step 4: Simplify right side
    2,997,200.10x = 8,917,629,208,562.16
  5. Step 5: Solve for x
    x = 8,917,629,208,562.16/2,997,200.10
  6. Step 6: Final answer
    x = 2,975,319.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.