Home / 2,997,122.10-4,486,825.80-1,987,384.20

Finding the Fourth Proportional to 2,997,122.10, 4,486,825.80 and 1,987,384.20

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Solution

The fourth proportional to 2,997,122.10, 4,486,825.80 and 1,987,384.20 is: 2,975,203.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997,122.10 : 4,486,825.80 = 1,987,384.20 : x
  2. Step 2: Convert to fraction form
    2,997,122.10/4,486,825.80 = 1,987,384.20/x
  3. Step 3: Cross multiply
    2,997,122.10x = 4,486,825.80 × 1,987,384.20
  4. Step 4: Simplify right side
    2,997,122.10x = 8,917,046,703,072.36
  5. Step 5: Solve for x
    x = 8,917,046,703,072.36/2,997,122.10
  6. Step 6: Final answer
    x = 2,975,203.01

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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.