Home / 6,120,858.72-8,446,670.64-4,187,053.92

Finding the Fourth Proportional to 6,120,858.72, 8,446,670.64 and 4,187,053.92

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Solution

The fourth proportional to 6,120,858.72, 8,446,670.64 and 4,187,053.92 is: 5,778,056.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120,858.72 : 8,446,670.64 = 4,187,053.92 : x
  2. Step 2: Convert to fraction form
    6,120,858.72/8,446,670.64 = 4,187,053.92/x
  3. Step 3: Cross multiply
    6,120,858.72x = 8,446,670.64 × 4,187,053.92
  4. Step 4: Simplify right side
    6,120,858.72x = 35,366,665,414,160.91
  5. Step 5: Solve for x
    x = 35,366,665,414,160.91/6,120,858.72
  6. Step 6: Final answer
    x = 5,778,056.16

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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.