Home / 2,987,354.70-4,481,698.28-857,272.82

Finding the Fourth Proportional to 2,987,354.70, 4,481,698.28 and 857,272.82

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Solution

The fourth proportional to 2,987,354.70, 4,481,698.28 and 857,272.82 is: 1,286,100.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,354.70 : 4,481,698.28 = 857,272.82 : x
  2. Step 2: Convert to fraction form
    2,987,354.70/4,481,698.28 = 857,272.82/x
  3. Step 3: Cross multiply
    2,987,354.70x = 4,481,698.28 × 857,272.82
  4. Step 4: Simplify right side
    2,987,354.70x = 3,842,038,096,189.89
  5. Step 5: Solve for x
    x = 3,842,038,096,189.89/2,987,354.70
  6. Step 6: Final answer
    x = 1,286,100.41

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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.