Home / 5,920,128.61-8,169,777.40-3,203,874.61

Finding the Fourth Proportional to 5,920,128.61, 8,169,777.40 and 3,203,874.61

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Solution

The fourth proportional to 5,920,128.61, 8,169,777.40 and 3,203,874.61 is: 4,421,346.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920,128.61 : 8,169,777.40 = 3,203,874.61 : x
  2. Step 2: Convert to fraction form
    5,920,128.61/8,169,777.40 = 3,203,874.61/x
  3. Step 3: Cross multiply
    5,920,128.61x = 8,169,777.40 × 3,203,874.61
  4. Step 4: Simplify right side
    5,920,128.61x = 26,174,942,381,211.81
  5. Step 5: Solve for x
    x = 26,174,942,381,211.81/5,920,128.61
  6. Step 6: Final answer
    x = 4,421,346.92

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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.