Home / 2,801,051.40-4,192,245.90-2,465,128.20

Finding the Fourth Proportional to 2,801,051.40, 4,192,245.90 and 2,465,128.20

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Solution

The fourth proportional to 2,801,051.40, 4,192,245.90 and 2,465,128.20 is: 3,689,480.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801,051.40 : 4,192,245.90 = 2,465,128.20 : x
  2. Step 2: Convert to fraction form
    2,801,051.40/4,192,245.90 = 2,465,128.20/x
  3. Step 3: Cross multiply
    2,801,051.40x = 4,192,245.90 × 2,465,128.20
  4. Step 4: Simplify right side
    2,801,051.40x = 10,334,423,589,424.38
  5. Step 5: Solve for x
    x = 10,334,423,589,424.38/2,801,051.40
  6. Step 6: Final answer
    x = 3,689,480.17

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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.