Home / 3,885,874.20-5,828,811.30-3,633,931.80

Finding the Fourth Proportional to 3,885,874.20, 5,828,811.30 and 3,633,931.80

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Solution

The fourth proportional to 3,885,874.20, 5,828,811.30 and 3,633,931.80 is: 5,450,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,874.20 : 5,828,811.30 = 3,633,931.80 : x
  2. Step 2: Convert to fraction form
    3,885,874.20/5,828,811.30 = 3,633,931.80/x
  3. Step 3: Cross multiply
    3,885,874.20x = 5,828,811.30 × 3,633,931.80
  4. Step 4: Simplify right side
    3,885,874.20x = 21,181,502,739,269.34
  5. Step 5: Solve for x
    x = 21,181,502,739,269.34/3,885,874.20
  6. Step 6: Final answer
    x = 5,450,897.70

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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.