Home / 2,175,211.37-3,001,689.83-1,208,400.63

Finding the Fourth Proportional to 2,175,211.37, 3,001,689.83 and 1,208,400.63

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Solution

The fourth proportional to 2,175,211.37, 3,001,689.83 and 1,208,400.63 is: 1,667,536.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,211.37 : 3,001,689.83 = 1,208,400.63 : x
  2. Step 2: Convert to fraction form
    2,175,211.37/3,001,689.83 = 1,208,400.63/x
  3. Step 3: Cross multiply
    2,175,211.37x = 3,001,689.83 × 1,208,400.63
  4. Step 4: Simplify right side
    2,175,211.37x = 3,627,243,875,594.59
  5. Step 5: Solve for x
    x = 3,627,243,875,594.59/2,175,211.37
  6. Step 6: Final answer
    x = 1,667,536.28

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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.