Home / 7,601,160.86-11,401,741.30-1,921,385.18

Finding the Fourth Proportional to 7,601,160.86, 11,401,741.30 and 1,921,385.18

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Solution

The fourth proportional to 7,601,160.86, 11,401,741.30 and 1,921,385.18 is: 2,882,077.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,601,160.86 : 11,401,741.30 = 1,921,385.18 : x
  2. Step 2: Convert to fraction form
    7,601,160.86/11,401,741.30 = 1,921,385.18/x
  3. Step 3: Cross multiply
    7,601,160.86x = 11,401,741.30 × 1,921,385.18
  4. Step 4: Simplify right side
    7,601,160.86x = 21,907,136,698,201.77
  5. Step 5: Solve for x
    x = 21,907,136,698,201.77/7,601,160.86
  6. Step 6: Final answer
    x = 2,882,077.76

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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.