Home / 4,857,741.21-7,289,133.65-1,981,218.39

Finding the Fourth Proportional to 4,857,741.21, 7,289,133.65 and 1,981,218.39

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Solution

The fourth proportional to 4,857,741.21, 7,289,133.65 and 1,981,218.39 is: 2,972,856.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857,741.21 : 7,289,133.65 = 1,981,218.39 : x
  2. Step 2: Convert to fraction form
    4,857,741.21/7,289,133.65 = 1,981,218.39/x
  3. Step 3: Cross multiply
    4,857,741.21x = 7,289,133.65 × 1,981,218.39
  4. Step 4: Simplify right side
    4,857,741.21x = 14,441,365,615,881.40
  5. Step 5: Solve for x
    x = 14,441,365,615,881.40/4,857,741.21
  6. Step 6: Final answer
    x = 2,972,856.10

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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.