Home / 6,385,474.89-9,581,201.70-2,790,774.75

Finding the Fourth Proportional to 6,385,474.89, 9,581,201.70 and 2,790,774.75

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Solution

The fourth proportional to 6,385,474.89, 9,581,201.70 and 2,790,774.75 is: 4,187,468.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385,474.89 : 9,581,201.70 = 2,790,774.75 : x
  2. Step 2: Convert to fraction form
    6,385,474.89/9,581,201.70 = 2,790,774.75/x
  3. Step 3: Cross multiply
    6,385,474.89x = 9,581,201.70 × 2,790,774.75
  4. Step 4: Simplify right side
    6,385,474.89x = 26,738,975,779,017.07
  5. Step 5: Solve for x
    x = 26,738,975,779,017.07/6,385,474.89
  6. Step 6: Final answer
    x = 4,187,468.63

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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.