Home / 2,900,175.80-4,343,637.09-1,384,920.14

Finding the Fourth Proportional to 2,900,175.80, 4,343,637.09 and 1,384,920.14

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Solution

The fourth proportional to 2,900,175.80, 4,343,637.09 and 1,384,920.14 is: 2,074,215.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900,175.80 : 4,343,637.09 = 1,384,920.14 : x
  2. Step 2: Convert to fraction form
    2,900,175.80/4,343,637.09 = 1,384,920.14/x
  3. Step 3: Cross multiply
    2,900,175.80x = 4,343,637.09 × 1,384,920.14
  4. Step 4: Simplify right side
    2,900,175.80x = 6,015,590,486,791.99
  5. Step 5: Solve for x
    x = 6,015,590,486,791.99/2,900,175.80
  6. Step 6: Final answer
    x = 2,074,215.81

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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.