Home / 2,680,885.22-3,699,646.36-1,457,193.61

Finding the Fourth Proportional to 2,680,885.22, 3,699,646.36 and 1,457,193.61

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Solution

The fourth proportional to 2,680,885.22, 3,699,646.36 and 1,457,193.61 is: 2,010,940.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,885.22 : 3,699,646.36 = 1,457,193.61 : x
  2. Step 2: Convert to fraction form
    2,680,885.22/3,699,646.36 = 1,457,193.61/x
  3. Step 3: Cross multiply
    2,680,885.22x = 3,699,646.36 × 1,457,193.61
  4. Step 4: Simplify right side
    2,680,885.22x = 5,391,101,035,051.76
  5. Step 5: Solve for x
    x = 5,391,101,035,051.76/2,680,885.22
  6. Step 6: Final answer
    x = 2,010,940.64

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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.