Home / 3,085,987.48-4,629,720.26-1,287,870.72

Finding the Fourth Proportional to 3,085,987.48, 4,629,720.26 and 1,287,870.72

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Solution

The fourth proportional to 3,085,987.48, 4,629,720.26 and 1,287,870.72 is: 1,932,114.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085,987.48 : 4,629,720.26 = 1,287,870.72 : x
  2. Step 2: Convert to fraction form
    3,085,987.48/4,629,720.26 = 1,287,870.72/x
  3. Step 3: Cross multiply
    3,085,987.48x = 4,629,720.26 × 1,287,870.72
  4. Step 4: Simplify right side
    3,085,987.48x = 5,962,481,164,644.79
  5. Step 5: Solve for x
    x = 5,962,481,164,644.79/3,085,987.48
  6. Step 6: Final answer
    x = 1,932,114.50

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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.