Home / 2,198,136.51-3,033,525.17-1,218,072.89

Finding the Fourth Proportional to 2,198,136.51, 3,033,525.17 and 1,218,072.89

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Solution

The fourth proportional to 2,198,136.51, 3,033,525.17 and 1,218,072.89 is: 1,680,994.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,136.51 : 3,033,525.17 = 1,218,072.89 : x
  2. Step 2: Convert to fraction form
    2,198,136.51/3,033,525.17 = 1,218,072.89/x
  3. Step 3: Cross multiply
    2,198,136.51x = 3,033,525.17 × 1,218,072.89
  4. Step 4: Simplify right side
    2,198,136.51x = 3,695,054,778,411.65
  5. Step 5: Solve for x
    x = 3,695,054,778,411.65/2,198,136.51
  6. Step 6: Final answer
    x = 1,680,994.23

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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.