Home / 3,101,764.20-4,652,792.10-971,917.80

Finding the Fourth Proportional to 3,101,764.20, 4,652,792.10 and 971,917.80

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Solution

The fourth proportional to 3,101,764.20, 4,652,792.10 and 971,917.80 is: 1,457,922.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101,764.20 : 4,652,792.10 = 971,917.80 : x
  2. Step 2: Convert to fraction form
    3,101,764.20/4,652,792.10 = 971,917.80/x
  3. Step 3: Cross multiply
    3,101,764.20x = 4,652,792.10 × 971,917.80
  4. Step 4: Simplify right side
    3,101,764.20x = 4,522,131,461,689.38
  5. Step 5: Solve for x
    x = 4,522,131,461,689.38/3,101,764.20
  6. Step 6: Final answer
    x = 1,457,922.39

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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.