Home / 6,429,121.80-9,654,741.90-4,549,057.80

Finding the Fourth Proportional to 6,429,121.80, 9,654,741.90 and 4,549,057.80

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Solution

The fourth proportional to 6,429,121.80, 9,654,741.90 and 4,549,057.80 is: 6,831,411.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429,121.80 : 9,654,741.90 = 4,549,057.80 : x
  2. Step 2: Convert to fraction form
    6,429,121.80/9,654,741.90 = 4,549,057.80/x
  3. Step 3: Cross multiply
    6,429,121.80x = 9,654,741.90 × 4,549,057.80
  4. Step 4: Simplify right side
    6,429,121.80x = 43,919,978,947,181.82
  5. Step 5: Solve for x
    x = 43,919,978,947,181.82/6,429,121.80
  6. Step 6: Final answer
    x = 6,831,411.87

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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.