Home / 3,230,869.60-4,457,817-1,835,120.72

Finding the Fourth Proportional to 3,230,869.60, 4,457,817 and 1,835,120.72

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Solution

The fourth proportional to 3,230,869.60, 4,457,817 and 1,835,120.72 is: 2,532,021.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230,869.60 : 4,457,817 = 1,835,120.72 : x
  2. Step 2: Convert to fraction form
    3,230,869.60/4,457,817 = 1,835,120.72/x
  3. Step 3: Cross multiply
    3,230,869.60x = 4,457,817 × 1,835,120.72
  4. Step 4: Simplify right side
    3,230,869.60x = 8,180,632,342,668.24
  5. Step 5: Solve for x
    x = 8,180,632,342,668.24/3,230,869.60
  6. Step 6: Final answer
    x = 2,532,021.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.