Home / 5,346,815.20-8,020,222.80-3,221,051.20

Finding the Fourth Proportional to 5,346,815.20, 8,020,222.80 and 3,221,051.20

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Solution

The fourth proportional to 5,346,815.20, 8,020,222.80 and 3,221,051.20 is: 4,831,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346,815.20 : 8,020,222.80 = 3,221,051.20 : x
  2. Step 2: Convert to fraction form
    5,346,815.20/8,020,222.80 = 3,221,051.20/x
  3. Step 3: Cross multiply
    5,346,815.20x = 8,020,222.80 × 3,221,051.20
  4. Step 4: Simplify right side
    5,346,815.20x = 25,833,548,274,207.36
  5. Step 5: Solve for x
    x = 25,833,548,274,207.36/5,346,815.20
  6. Step 6: Final answer
    x = 4,831,576.80

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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.