Home / 5,111,399.12-7,666,285.80-1,699,402.16

Finding the Fourth Proportional to 5,111,399.12, 7,666,285.80 and 1,699,402.16

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Solution

The fourth proportional to 5,111,399.12, 7,666,285.80 and 1,699,402.16 is: 2,548,832.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111,399.12 : 7,666,285.80 = 1,699,402.16 : x
  2. Step 2: Convert to fraction form
    5,111,399.12/7,666,285.80 = 1,699,402.16/x
  3. Step 3: Cross multiply
    5,111,399.12x = 7,666,285.80 × 1,699,402.16
  4. Step 4: Simplify right side
    5,111,399.12x = 13,028,102,647,697.33
  5. Step 5: Solve for x
    x = 13,028,102,647,697.33/5,111,399.12
  6. Step 6: Final answer
    x = 2,548,832.98

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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.