Home / 4,111,998.80-6,167,317.80-1,379,512.40

Finding the Fourth Proportional to 4,111,998.80, 6,167,317.80 and 1,379,512.40

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Solution

The fourth proportional to 4,111,998.80, 6,167,317.80 and 1,379,512.40 is: 2,069,040.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111,998.80 : 6,167,317.80 = 1,379,512.40 : x
  2. Step 2: Convert to fraction form
    4,111,998.80/6,167,317.80 = 1,379,512.40/x
  3. Step 3: Cross multiply
    4,111,998.80x = 6,167,317.80 × 1,379,512.40
  4. Step 4: Simplify right side
    4,111,998.80x = 8,507,891,379,840.72
  5. Step 5: Solve for x
    x = 8,507,891,379,840.72/4,111,998.80
  6. Step 6: Final answer
    x = 2,069,040.34

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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.