Home / 2,126,212.40-2,934,422.08-1,208,579.60

Finding the Fourth Proportional to 2,126,212.40, 2,934,422.08 and 1,208,579.60

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Solution

The fourth proportional to 2,126,212.40, 2,934,422.08 and 1,208,579.60 is: 1,667,981.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,212.40 : 2,934,422.08 = 1,208,579.60 : x
  2. Step 2: Convert to fraction form
    2,126,212.40/2,934,422.08 = 1,208,579.60/x
  3. Step 3: Cross multiply
    2,126,212.40x = 2,934,422.08 × 1,208,579.60
  4. Step 4: Simplify right side
    2,126,212.40x = 3,546,482,663,677.57
  5. Step 5: Solve for x
    x = 3,546,482,663,677.57/2,126,212.40
  6. Step 6: Final answer
    x = 1,667,981.37

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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.