Home / 5,111,201.15-7,666,868.48-1,699,487.75

Finding the Fourth Proportional to 5,111,201.15, 7,666,868.48 and 1,699,487.75

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Solution

The fourth proportional to 5,111,201.15, 7,666,868.48 and 1,699,487.75 is: 2,549,253.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111,201.15 : 7,666,868.48 = 1,699,487.75 : x
  2. Step 2: Convert to fraction form
    5,111,201.15/7,666,868.48 = 1,699,487.75/x
  3. Step 3: Cross multiply
    5,111,201.15x = 7,666,868.48 × 1,699,487.75
  4. Step 4: Simplify right side
    5,111,201.15x = 13,029,749,062,621.12
  5. Step 5: Solve for x
    x = 13,029,749,062,621.12/5,111,201.15
  6. Step 6: Final answer
    x = 2,549,253.82

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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.