Home / 2,175,209.34-3,001,705.44-1,208,400.42

Finding the Fourth Proportional to 2,175,209.34, 3,001,705.44 and 1,208,400.42

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Solution

The fourth proportional to 2,175,209.34, 3,001,705.44 and 1,208,400.42 is: 1,667,546.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,209.34 : 3,001,705.44 = 1,208,400.42 : x
  2. Step 2: Convert to fraction form
    2,175,209.34/3,001,705.44 = 1,208,400.42/x
  3. Step 3: Cross multiply
    2,175,209.34x = 3,001,705.44 × 1,208,400.42
  4. Step 4: Simplify right side
    2,175,209.34x = 3,627,262,114,412.28
  5. Step 5: Solve for x
    x = 3,627,262,114,412.28/2,175,209.34
  6. Step 6: Final answer
    x = 1,667,546.22

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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.