Home / 5,459,689.67-8,189,537.24-1,865,491.86

Finding the Fourth Proportional to 5,459,689.67, 8,189,537.24 and 1,865,491.86

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Solution

The fourth proportional to 5,459,689.67, 8,189,537.24 and 1,865,491.86 is: 2,798,238.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459,689.67 : 8,189,537.24 = 1,865,491.86 : x
  2. Step 2: Convert to fraction form
    5,459,689.67/8,189,537.24 = 1,865,491.86/x
  3. Step 3: Cross multiply
    5,459,689.67x = 8,189,537.24 × 1,865,491.86
  4. Step 4: Simplify right side
    5,459,689.67x = 15,277,515,049,059.41
  5. Step 5: Solve for x
    x = 15,277,515,049,059.41/5,459,689.67
  6. Step 6: Final answer
    x = 2,798,238.72

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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.