Home / 6,505,705.46-8,977,926.70-3,605,144.78

Finding the Fourth Proportional to 6,505,705.46, 8,977,926.70 and 3,605,144.78

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Solution

The fourth proportional to 6,505,705.46, 8,977,926.70 and 3,605,144.78 is: 4,975,129.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505,705.46 : 8,977,926.70 = 3,605,144.78 : x
  2. Step 2: Convert to fraction form
    6,505,705.46/8,977,926.70 = 3,605,144.78/x
  3. Step 3: Cross multiply
    6,505,705.46x = 8,977,926.70 × 3,605,144.78
  4. Step 4: Simplify right side
    6,505,705.46x = 32,366,725,577,727.62
  5. Step 5: Solve for x
    x = 32,366,725,577,727.62/6,505,705.46
  6. Step 6: Final answer
    x = 4,975,129.26

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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.