Home / 3,520,035.05-4,857,246.78-1,971,081.36

Finding the Fourth Proportional to 3,520,035.05, 4,857,246.78 and 1,971,081.36

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Solution

The fourth proportional to 3,520,035.05, 4,857,246.78 and 1,971,081.36 is: 2,719,867.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520,035.05 : 4,857,246.78 = 1,971,081.36 : x
  2. Step 2: Convert to fraction form
    3,520,035.05/4,857,246.78 = 1,971,081.36/x
  3. Step 3: Cross multiply
    3,520,035.05x = 4,857,246.78 × 1,971,081.36
  4. Step 4: Simplify right side
    3,520,035.05x = 9,574,028,588,978.02
  5. Step 5: Solve for x
    x = 9,574,028,588,978.02/3,520,035.05
  6. Step 6: Final answer
    x = 2,719,867.41

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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.