Home / 2,812,423.66-4,212,993-1,293,991.18

Finding the Fourth Proportional to 2,812,423.66, 4,212,993 and 1,293,991.18

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Solution

The fourth proportional to 2,812,423.66, 4,212,993 and 1,293,991.18 is: 1,938,390.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,423.66 : 4,212,993 = 1,293,991.18 : x
  2. Step 2: Convert to fraction form
    2,812,423.66/4,212,993 = 1,293,991.18/x
  3. Step 3: Cross multiply
    2,812,423.66x = 4,212,993 × 1,293,991.18
  4. Step 4: Simplify right side
    2,812,423.66x = 5,451,575,783,401.74
  5. Step 5: Solve for x
    x = 5,451,575,783,401.74/2,812,423.66
  6. Step 6: Final answer
    x = 1,938,390.67

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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.