Home / 2,138,705.46-3,208,561.20-622,421.10

Finding the Fourth Proportional to 2,138,705.46, 3,208,561.20 and 622,421.10

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Solution

The fourth proportional to 2,138,705.46, 3,208,561.20 and 622,421.10 is: 933,778.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,705.46 : 3,208,561.20 = 622,421.10 : x
  2. Step 2: Convert to fraction form
    2,138,705.46/3,208,561.20 = 622,421.10/x
  3. Step 3: Cross multiply
    2,138,705.46x = 3,208,561.20 × 622,421.10
  4. Step 4: Simplify right side
    2,138,705.46x = 1,997,076,191,521.32
  5. Step 5: Solve for x
    x = 1,997,076,191,521.32/2,138,705.46
  6. Step 6: Final answer
    x = 933,778.04

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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.