Home / 4,218,365.29-6,329,851.44-1,789,140.68

Finding the Fourth Proportional to 4,218,365.29, 6,329,851.44 and 1,789,140.68

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Solution

The fourth proportional to 4,218,365.29, 6,329,851.44 and 1,789,140.68 is: 2,684,688.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218,365.29 : 6,329,851.44 = 1,789,140.68 : x
  2. Step 2: Convert to fraction form
    4,218,365.29/6,329,851.44 = 1,789,140.68/x
  3. Step 3: Cross multiply
    4,218,365.29x = 6,329,851.44 × 1,789,140.68
  4. Step 4: Simplify right side
    4,218,365.29x = 11,324,994,709,660.58
  5. Step 5: Solve for x
    x = 11,324,994,709,660.58/4,218,365.29
  6. Step 6: Final answer
    x = 2,684,688.01

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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.