Home / 2,175,555.42-3,002,090.49-1,257,843.45

Finding the Fourth Proportional to 2,175,555.42, 3,002,090.49 and 1,257,843.45

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Solution

The fourth proportional to 2,175,555.42, 3,002,090.49 and 1,257,843.45 is: 1,735,722.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,555.42 : 3,002,090.49 = 1,257,843.45 : x
  2. Step 2: Convert to fraction form
    2,175,555.42/3,002,090.49 = 1,257,843.45/x
  3. Step 3: Cross multiply
    2,175,555.42x = 3,002,090.49 × 1,257,843.45
  4. Step 4: Simplify right side
    2,175,555.42x = 3,776,159,859,153.79
  5. Step 5: Solve for x
    x = 3,776,159,859,153.79/2,175,555.42
  6. Step 6: Final answer
    x = 1,735,722.21

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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.