Home / 5,302,108.09-7,945,748.43-2,868,006.72

Finding the Fourth Proportional to 5,302,108.09, 7,945,748.43 and 2,868,006.72

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Solution

The fourth proportional to 5,302,108.09, 7,945,748.43 and 2,868,006.72 is: 4,297,999.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302,108.09 : 7,945,748.43 = 2,868,006.72 : x
  2. Step 2: Convert to fraction form
    5,302,108.09/7,945,748.43 = 2,868,006.72/x
  3. Step 3: Cross multiply
    5,302,108.09x = 7,945,748.43 × 2,868,006.72
  4. Step 4: Simplify right side
    5,302,108.09x = 22,788,459,911,710.98
  5. Step 5: Solve for x
    x = 22,788,459,911,710.98/5,302,108.09
  6. Step 6: Final answer
    x = 4,297,999.87

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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.