Home / 5,135,111.71-7,690,440.27-2,971,577.11

Finding the Fourth Proportional to 5,135,111.71, 7,690,440.27 and 2,971,577.11

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Solution

The fourth proportional to 5,135,111.71, 7,690,440.27 and 2,971,577.11 is: 4,450,289.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135,111.71 : 7,690,440.27 = 2,971,577.11 : x
  2. Step 2: Convert to fraction form
    5,135,111.71/7,690,440.27 = 2,971,577.11/x
  3. Step 3: Cross multiply
    5,135,111.71x = 7,690,440.27 × 2,971,577.11
  4. Step 4: Simplify right side
    5,135,111.71x = 22,852,736,263,251.25
  5. Step 5: Solve for x
    x = 22,852,736,263,251.25/5,135,111.71
  6. Step 6: Final answer
    x = 4,450,289.99

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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.