Home / 2,115,213.58-2,919,454.95-1,299,844.90

Finding the Fourth Proportional to 2,115,213.58, 2,919,454.95 and 1,299,844.90

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Solution

The fourth proportional to 2,115,213.58, 2,919,454.95 and 1,299,844.90 is: 1,794,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,213.58 : 2,919,454.95 = 1,299,844.90 : x
  2. Step 2: Convert to fraction form
    2,115,213.58/2,919,454.95 = 1,299,844.90/x
  3. Step 3: Cross multiply
    2,115,213.58x = 2,919,454.95 × 1,299,844.90
  4. Step 4: Simplify right side
    2,115,213.58x = 3,794,838,627,537.26
  5. Step 5: Solve for x
    x = 3,794,838,627,537.26/2,115,213.58
  6. Step 6: Final answer
    x = 1,794,068.77

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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.