Home / 2,918,414.72-4,380,278.54-1,553,334.47

Finding the Fourth Proportional to 2,918,414.72, 4,380,278.54 and 1,553,334.47

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Solution

The fourth proportional to 2,918,414.72, 4,380,278.54 and 1,553,334.47 is: 2,331,415.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,414.72 : 4,380,278.54 = 1,553,334.47 : x
  2. Step 2: Convert to fraction form
    2,918,414.72/4,380,278.54 = 1,553,334.47/x
  3. Step 3: Cross multiply
    2,918,414.72x = 4,380,278.54 × 1,553,334.47
  4. Step 4: Simplify right side
    2,918,414.72x = 6,804,037,614,715.21
  5. Step 5: Solve for x
    x = 6,804,037,614,715.21/2,918,414.72
  6. Step 6: Final answer
    x = 2,331,415.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.