Home / 5,191,626.60-7,164,401.58-2,868,511.68

Finding the Fourth Proportional to 5,191,626.60, 7,164,401.58 and 2,868,511.68

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Solution

The fourth proportional to 5,191,626.60, 7,164,401.58 and 2,868,511.68 is: 3,958,522.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191,626.60 : 7,164,401.58 = 2,868,511.68 : x
  2. Step 2: Convert to fraction form
    5,191,626.60/7,164,401.58 = 2,868,511.68/x
  3. Step 3: Cross multiply
    5,191,626.60x = 7,164,401.58 × 2,868,511.68
  4. Step 4: Simplify right side
    5,191,626.60x = 20,551,169,612,440.46
  5. Step 5: Solve for x
    x = 20,551,169,612,440.46/5,191,626.60
  6. Step 6: Final answer
    x = 3,958,522.29

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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.