Home / 2,978,114.65-4,455,899.10-1,764,342.91

Finding the Fourth Proportional to 2,978,114.65, 4,455,899.10 and 1,764,342.91

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Solution

The fourth proportional to 2,978,114.65, 4,455,899.10 and 1,764,342.91 is: 2,639,835.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,114.65 : 4,455,899.10 = 1,764,342.91 : x
  2. Step 2: Convert to fraction form
    2,978,114.65/4,455,899.10 = 1,764,342.91/x
  3. Step 3: Cross multiply
    2,978,114.65x = 4,455,899.10 × 1,764,342.91
  4. Step 4: Simplify right side
    2,978,114.65x = 7,861,733,991,489.27
  5. Step 5: Solve for x
    x = 7,861,733,991,489.27/2,978,114.65
  6. Step 6: Final answer
    x = 2,639,835.91

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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.