Home / 1,481,149.80-2,221,724.70-1,242,001.35

Finding the Fourth Proportional to 1,481,149.80, 2,221,724.70 and 1,242,001.35

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Solution

The fourth proportional to 1,481,149.80, 2,221,724.70 and 1,242,001.35 is: 1,863,002.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481,149.80 : 2,221,724.70 = 1,242,001.35 : x
  2. Step 2: Convert to fraction form
    1,481,149.80/2,221,724.70 = 1,242,001.35/x
  3. Step 3: Cross multiply
    1,481,149.80x = 2,221,724.70 × 1,242,001.35
  4. Step 4: Simplify right side
    1,481,149.80x = 2,759,385,076,728.35
  5. Step 5: Solve for x
    x = 2,759,385,076,728.35/1,481,149.80
  6. Step 6: Final answer
    x = 1,863,002.03

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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.