Home / 3,221,690.86-4,831,373.76-946,606.70

Finding the Fourth Proportional to 3,221,690.86, 4,831,373.76 and 946,606.70

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Solution

The fourth proportional to 3,221,690.86, 4,831,373.76 and 946,606.70 is: 1,419,568.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,690.86 : 4,831,373.76 = 946,606.70 : x
  2. Step 2: Convert to fraction form
    3,221,690.86/4,831,373.76 = 946,606.70/x
  3. Step 3: Cross multiply
    3,221,690.86x = 4,831,373.76 × 946,606.70
  4. Step 4: Simplify right side
    3,221,690.86x = 4,573,410,771,420.19
  5. Step 5: Solve for x
    x = 4,573,410,771,420.19/3,221,690.86
  6. Step 6: Final answer
    x = 1,419,568.47

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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.