Home / 2,115,683.80-3,175,340.10-854,416.60

Finding the Fourth Proportional to 2,115,683.80, 3,175,340.10 and 854,416.60

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Solution

The fourth proportional to 2,115,683.80, 3,175,340.10 and 854,416.60 is: 1,282,357.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,683.80 : 3,175,340.10 = 854,416.60 : x
  2. Step 2: Convert to fraction form
    2,115,683.80/3,175,340.10 = 854,416.60/x
  3. Step 3: Cross multiply
    2,115,683.80x = 3,175,340.10 × 854,416.60
  4. Step 4: Simplify right side
    2,115,683.80x = 2,713,063,292,085.66
  5. Step 5: Solve for x
    x = 2,713,063,292,085.66/2,115,683.80
  6. Step 6: Final answer
    x = 1,282,357.64

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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.