Home / 6,421,066.40-9,618,766.56-3,860,879.44

Finding the Fourth Proportional to 6,421,066.40, 9,618,766.56 and 3,860,879.44

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Solution

The fourth proportional to 6,421,066.40, 9,618,766.56 and 3,860,879.44 is: 5,783,602.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,066.40 : 9,618,766.56 = 3,860,879.44 : x
  2. Step 2: Convert to fraction form
    6,421,066.40/9,618,766.56 = 3,860,879.44/x
  3. Step 3: Cross multiply
    6,421,066.40x = 9,618,766.56 × 3,860,879.44
  4. Step 4: Simplify right side
    6,421,066.40x = 37,136,898,049,663.53
  5. Step 5: Solve for x
    x = 37,136,898,049,663.53/6,421,066.40
  6. Step 6: Final answer
    x = 5,783,602.87

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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.