Home / 3,121,674.90-4,680,611.55-1,226,145.30

Finding the Fourth Proportional to 3,121,674.90, 4,680,611.55 and 1,226,145.30

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Solution

The fourth proportional to 3,121,674.90, 4,680,611.55 and 1,226,145.30 is: 1,838,471.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,674.90 : 4,680,611.55 = 1,226,145.30 : x
  2. Step 2: Convert to fraction form
    3,121,674.90/4,680,611.55 = 1,226,145.30/x
  3. Step 3: Cross multiply
    3,121,674.90x = 4,680,611.55 × 1,226,145.30
  4. Step 4: Simplify right side
    3,121,674.90x = 5,739,109,853,158.22
  5. Step 5: Solve for x
    x = 5,739,109,853,158.22/3,121,674.90
  6. Step 6: Final answer
    x = 1,838,471.35

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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.