Home / 2,175,172.90-3,001,655.12-1,208,364.06

Finding the Fourth Proportional to 2,175,172.90, 3,001,655.12 and 1,208,364.06

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Solution

The fourth proportional to 2,175,172.90, 3,001,655.12 and 1,208,364.06 is: 1,667,496.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,172.90 : 3,001,655.12 = 1,208,364.06 : x
  2. Step 2: Convert to fraction form
    2,175,172.90/3,001,655.12 = 1,208,364.06/x
  3. Step 3: Cross multiply
    2,175,172.90x = 3,001,655.12 × 1,208,364.06
  4. Step 4: Simplify right side
    2,175,172.90x = 3,627,092,167,522.99
  5. Step 5: Solve for x
    x = 3,627,092,167,522.99/2,175,172.90
  6. Step 6: Final answer
    x = 1,667,496.03

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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.