Home / 3,100,971.39-4,651,457.13-971,222.19

Finding the Fourth Proportional to 3,100,971.39, 4,651,457.13 and 971,222.19

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Solution

The fourth proportional to 3,100,971.39, 4,651,457.13 and 971,222.19 is: 1,456,833.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,971.39 : 4,651,457.13 = 971,222.19 : x
  2. Step 2: Convert to fraction form
    3,100,971.39/4,651,457.13 = 971,222.19/x
  3. Step 3: Cross multiply
    3,100,971.39x = 4,651,457.13 × 971,222.19
  4. Step 4: Simplify right side
    3,100,971.39x = 4,517,598,380,489.71
  5. Step 5: Solve for x
    x = 4,517,598,380,489.71/3,100,971.39
  6. Step 6: Final answer
    x = 1,456,833.30

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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.