Home / 3,428,648.60-5,145,810.53-1,723,280.67

Finding the Fourth Proportional to 3,428,648.60, 5,145,810.53 and 1,723,280.67

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Solution

The fourth proportional to 3,428,648.60, 5,145,810.53 and 1,723,280.67 is: 2,586,347.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,648.60 : 5,145,810.53 = 1,723,280.67 : x
  2. Step 2: Convert to fraction form
    3,428,648.60/5,145,810.53 = 1,723,280.67/x
  3. Step 3: Cross multiply
    3,428,648.60x = 5,145,810.53 × 1,723,280.67
  4. Step 4: Simplify right side
    3,428,648.60x = 8,867,675,809,215.05
  5. Step 5: Solve for x
    x = 8,867,675,809,215.05/3,428,648.60
  6. Step 6: Final answer
    x = 2,586,347.23

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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.