Home / 3,781,349.60-5,218,703.60-2,150,001.40

Finding the Fourth Proportional to 3,781,349.60, 5,218,703.60 and 2,150,001.40

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Solution

The fourth proportional to 3,781,349.60, 5,218,703.60 and 2,150,001.40 is: 2,967,252.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781,349.60 : 5,218,703.60 = 2,150,001.40 : x
  2. Step 2: Convert to fraction form
    3,781,349.60/5,218,703.60 = 2,150,001.40/x
  3. Step 3: Cross multiply
    3,781,349.60x = 5,218,703.60 × 2,150,001.40
  4. Step 4: Simplify right side
    3,781,349.60x = 11,220,220,046,185.04
  5. Step 5: Solve for x
    x = 11,220,220,046,185.04/3,781,349.60
  6. Step 6: Final answer
    x = 2,967,252.76

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1.5x scale

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.