Home / 2,819,402.76-3,889,005.66-1,672,671

Finding the Fourth Proportional to 2,819,402.76, 3,889,005.66 and 1,672,671

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Solution

The fourth proportional to 2,819,402.76, 3,889,005.66 and 1,672,671 is: 2,307,235.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,402.76 : 3,889,005.66 = 1,672,671 : x
  2. Step 2: Convert to fraction form
    2,819,402.76/3,889,005.66 = 1,672,671/x
  3. Step 3: Cross multiply
    2,819,402.76x = 3,889,005.66 × 1,672,671
  4. Step 4: Simplify right side
    2,819,402.76x = 6,505,026,986,317.86
  5. Step 5: Solve for x
    x = 6,505,026,986,317.86/2,819,402.76
  6. Step 6: Final answer
    x = 2,307,235.80

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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.