Home / 2,143,869.60-3,213,039.60-1,642,749.60

Finding the Fourth Proportional to 2,143,869.60, 3,213,039.60 and 1,642,749.60

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Solution

The fourth proportional to 2,143,869.60, 3,213,039.60 and 1,642,749.60 is: 2,462,005.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,869.60 : 3,213,039.60 = 1,642,749.60 : x
  2. Step 2: Convert to fraction form
    2,143,869.60/3,213,039.60 = 1,642,749.60/x
  3. Step 3: Cross multiply
    2,143,869.60x = 3,213,039.60 × 1,642,749.60
  4. Step 4: Simplify right side
    2,143,869.60x = 5,278,219,517,684.16
  5. Step 5: Solve for x
    x = 5,278,219,517,684.16/2,143,869.60
  6. Step 6: Final answer
    x = 2,462,005.86

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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.