Home / 3,836,516.60-5,294,016.07-2,117,526.40

Finding the Fourth Proportional to 3,836,516.60, 5,294,016.07 and 2,117,526.40

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Solution

The fourth proportional to 3,836,516.60, 5,294,016.07 and 2,117,526.40 is: 2,921,978.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836,516.60 : 5,294,016.07 = 2,117,526.40 : x
  2. Step 2: Convert to fraction form
    3,836,516.60/5,294,016.07 = 2,117,526.40/x
  3. Step 3: Cross multiply
    3,836,516.60x = 5,294,016.07 × 2,117,526.40
  4. Step 4: Simplify right side
    3,836,516.60x = 11,210,218,771,720.39
  5. Step 5: Solve for x
    x = 11,210,218,771,720.39/3,836,516.60
  6. Step 6: Final answer
    x = 2,921,978.43

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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.