Home / 2,811,929.86-3,880,457.25-1,522,766.26

Finding the Fourth Proportional to 2,811,929.86, 3,880,457.25 and 1,522,766.26

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Solution

The fourth proportional to 2,811,929.86, 3,880,457.25 and 1,522,766.26 is: 2,101,414.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,929.86 : 3,880,457.25 = 1,522,766.26 : x
  2. Step 2: Convert to fraction form
    2,811,929.86/3,880,457.25 = 1,522,766.26/x
  3. Step 3: Cross multiply
    2,811,929.86x = 3,880,457.25 × 1,522,766.26
  4. Step 4: Simplify right side
    2,811,929.86x = 5,909,029,373,672.39
  5. Step 5: Solve for x
    x = 5,909,029,373,672.39/2,811,929.86
  6. Step 6: Final answer
    x = 2,101,414.21

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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.