Home / 3,478,231.80-5,215,014.90-1,583,998.20

Finding the Fourth Proportional to 3,478,231.80, 5,215,014.90 and 1,583,998.20

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Solution

The fourth proportional to 3,478,231.80, 5,215,014.90 and 1,583,998.20 is: 2,374,934.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,231.80 : 5,215,014.90 = 1,583,998.20 : x
  2. Step 2: Convert to fraction form
    3,478,231.80/5,215,014.90 = 1,583,998.20/x
  3. Step 3: Cross multiply
    3,478,231.80x = 5,215,014.90 × 1,583,998.20
  4. Step 4: Simplify right side
    3,478,231.80x = 8,260,574,214,573.18
  5. Step 5: Solve for x
    x = 8,260,574,214,573.18/3,478,231.80
  6. Step 6: Final answer
    x = 2,374,934.94

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1.5x scale

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.