Home / 6,876,698.90-9,489,228.23-3,779,186.56

Finding the Fourth Proportional to 6,876,698.90, 9,489,228.23 and 3,779,186.56

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Solution

The fourth proportional to 6,876,698.90, 9,489,228.23 and 3,779,186.56 is: 5,214,938.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876,698.90 : 9,489,228.23 = 3,779,186.56 : x
  2. Step 2: Convert to fraction form
    6,876,698.90/9,489,228.23 = 3,779,186.56/x
  3. Step 3: Cross multiply
    6,876,698.90x = 9,489,228.23 × 3,779,186.56
  4. Step 4: Simplify right side
    6,876,698.90x = 35,861,563,777,313.48
  5. Step 5: Solve for x
    x = 35,861,563,777,313.48/6,876,698.90
  6. Step 6: Final answer
    x = 5,214,938.78

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1.5x scale

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.