Home / 5,920,128.86-8,169,777.74-3,203,874.86

Finding the Fourth Proportional to 5,920,128.86, 8,169,777.74 and 3,203,874.86

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Solution

The fourth proportional to 5,920,128.86, 8,169,777.74 and 3,203,874.86 is: 4,421,347.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920,128.86 : 8,169,777.74 = 3,203,874.86 : x
  2. Step 2: Convert to fraction form
    5,920,128.86/8,169,777.74 = 3,203,874.86/x
  3. Step 3: Cross multiply
    5,920,128.86x = 8,169,777.74 × 3,203,874.86
  4. Step 4: Simplify right side
    5,920,128.86x = 26,174,945,480,134.41
  5. Step 5: Solve for x
    x = 26,174,945,480,134.41/5,920,128.86
  6. Step 6: Final answer
    x = 4,421,347.26

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1.5x scale

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.