Home / 3,420,669.76-4,720,327.68-1,892,700.16

Finding the Fourth Proportional to 3,420,669.76, 4,720,327.68 and 1,892,700.16

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Solution

The fourth proportional to 3,420,669.76, 4,720,327.68 and 1,892,700.16 is: 2,611,817.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,669.76 : 4,720,327.68 = 1,892,700.16 : x
  2. Step 2: Convert to fraction form
    3,420,669.76/4,720,327.68 = 1,892,700.16/x
  3. Step 3: Cross multiply
    3,420,669.76x = 4,720,327.68 × 1,892,700.16
  4. Step 4: Simplify right side
    3,420,669.76x = 8,934,164,955,188.43
  5. Step 5: Solve for x
    x = 8,934,164,955,188.43/3,420,669.76
  6. Step 6: Final answer
    x = 2,611,817.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.