Home / 5,346,475.20-8,019,712.80-3,220,711.20

Finding the Fourth Proportional to 5,346,475.20, 8,019,712.80 and 3,220,711.20

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Solution

The fourth proportional to 5,346,475.20, 8,019,712.80 and 3,220,711.20 is: 4,831,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346,475.20 : 8,019,712.80 = 3,220,711.20 : x
  2. Step 2: Convert to fraction form
    5,346,475.20/8,019,712.80 = 3,220,711.20/x
  3. Step 3: Cross multiply
    5,346,475.20x = 8,019,712.80 × 3,220,711.20
  4. Step 4: Simplify right side
    5,346,475.20x = 25,829,178,835,743.36
  5. Step 5: Solve for x
    x = 25,829,178,835,743.36/5,346,475.20
  6. Step 6: Final answer
    x = 4,831,066.80

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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.