Home / 3,290,129.80-4,928,196.30-2,730,257.80

Finding the Fourth Proportional to 3,290,129.80, 4,928,196.30 and 2,730,257.80

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Solution

The fourth proportional to 3,290,129.80, 4,928,196.30 and 2,730,257.80 is: 4,089,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290,129.80 : 4,928,196.30 = 2,730,257.80 : x
  2. Step 2: Convert to fraction form
    3,290,129.80/4,928,196.30 = 2,730,257.80/x
  3. Step 3: Cross multiply
    3,290,129.80x = 4,928,196.30 × 2,730,257.80
  4. Step 4: Simplify right side
    3,290,129.80x = 13,455,246,388,006.14
  5. Step 5: Solve for x
    x = 13,455,246,388,006.14/3,290,129.80
  6. Step 6: Final answer
    x = 4,089,579.20

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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.