Home / 3,220,749.80-4,831,124.70-2,159,066.60

Finding the Fourth Proportional to 3,220,749.80, 4,831,124.70 and 2,159,066.60

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Solution

The fourth proportional to 3,220,749.80, 4,831,124.70 and 2,159,066.60 is: 3,238,599.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,749.80 : 4,831,124.70 = 2,159,066.60 : x
  2. Step 2: Convert to fraction form
    3,220,749.80/4,831,124.70 = 2,159,066.60/x
  3. Step 3: Cross multiply
    3,220,749.80x = 4,831,124.70 × 2,159,066.60
  4. Step 4: Simplify right side
    3,220,749.80x = 10,430,719,980,205.02
  5. Step 5: Solve for x
    x = 10,430,719,980,205.02/3,220,749.80
  6. Step 6: Final answer
    x = 3,238,599.90

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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.