Home / 3,939,565.61-5,436,683.73-2,220,685.67

Finding the Fourth Proportional to 3,939,565.61, 5,436,683.73 and 2,220,685.67

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Solution

The fourth proportional to 3,939,565.61, 5,436,683.73 and 2,220,685.67 is: 3,064,593.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,565.61 : 5,436,683.73 = 2,220,685.67 : x
  2. Step 2: Convert to fraction form
    3,939,565.61/5,436,683.73 = 2,220,685.67/x
  3. Step 3: Cross multiply
    3,939,565.61x = 5,436,683.73 × 2,220,685.67
  4. Step 4: Simplify right side
    3,939,565.61x = 12,073,165,624,349.73
  5. Step 5: Solve for x
    x = 12,073,165,624,349.73/3,939,565.61
  6. Step 6: Final answer
    x = 3,064,593.11

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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.