Home / 5,642,342.40-8,464,757.76-1,855,672.32

Finding the Fourth Proportional to 5,642,342.40, 8,464,757.76 and 1,855,672.32

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Solution

The fourth proportional to 5,642,342.40, 8,464,757.76 and 1,855,672.32 is: 2,783,917.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642,342.40 : 8,464,757.76 = 1,855,672.32 : x
  2. Step 2: Convert to fraction form
    5,642,342.40/8,464,757.76 = 1,855,672.32/x
  3. Step 3: Cross multiply
    5,642,342.40x = 8,464,757.76 × 1,855,672.32
  4. Step 4: Simplify right side
    5,642,342.40x = 15,707,816,670,737.20
  5. Step 5: Solve for x
    x = 15,707,816,670,737.20/5,642,342.40
  6. Step 6: Final answer
    x = 2,783,917.66

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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.