Home / 2,686,519.20-4,029,778.80-1,492,125.60

Finding the Fourth Proportional to 2,686,519.20, 4,029,778.80 and 1,492,125.60

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Solution

The fourth proportional to 2,686,519.20, 4,029,778.80 and 1,492,125.60 is: 2,238,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,519.20 : 4,029,778.80 = 1,492,125.60 : x
  2. Step 2: Convert to fraction form
    2,686,519.20/4,029,778.80 = 1,492,125.60/x
  3. Step 3: Cross multiply
    2,686,519.20x = 4,029,778.80 × 1,492,125.60
  4. Step 4: Simplify right side
    2,686,519.20x = 6,012,936,109,817.28
  5. Step 5: Solve for x
    x = 6,012,936,109,817.28/2,686,519.20
  6. Step 6: Final answer
    x = 2,238,188.40

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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.