Home / 3,814,891.20-5,722,336.80-1,683,878.40

Finding the Fourth Proportional to 3,814,891.20, 5,722,336.80 and 1,683,878.40

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Solution

The fourth proportional to 3,814,891.20, 5,722,336.80 and 1,683,878.40 is: 2,525,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814,891.20 : 5,722,336.80 = 1,683,878.40 : x
  2. Step 2: Convert to fraction form
    3,814,891.20/5,722,336.80 = 1,683,878.40/x
  3. Step 3: Cross multiply
    3,814,891.20x = 5,722,336.80 × 1,683,878.40
  4. Step 4: Simplify right side
    3,814,891.20x = 9,635,719,335,045.12
  5. Step 5: Solve for x
    x = 9,635,719,335,045.12/3,814,891.20
  6. Step 6: Final answer
    x = 2,525,817.60

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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.