Home / 5,429,401.67-8,131,699.07-2,591,506.73

Finding the Fourth Proportional to 5,429,401.67, 8,131,699.07 and 2,591,506.73

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Solution

The fourth proportional to 5,429,401.67, 8,131,699.07 and 2,591,506.73 is: 3,881,339.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,401.67 : 8,131,699.07 = 2,591,506.73 : x
  2. Step 2: Convert to fraction form
    5,429,401.67/8,131,699.07 = 2,591,506.73/x
  3. Step 3: Cross multiply
    5,429,401.67x = 8,131,699.07 × 2,591,506.73
  4. Step 4: Simplify right side
    5,429,401.67x = 21,073,352,812,623.71
  5. Step 5: Solve for x
    x = 21,073,352,812,623.71/5,429,401.67
  6. Step 6: Final answer
    x = 3,881,339.81

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1.5x scale

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.