Home / 3,214,971.31-4,436,717.79-1,764,801.76

Finding the Fourth Proportional to 3,214,971.31, 4,436,717.79 and 1,764,801.76

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Solution

The fourth proportional to 3,214,971.31, 4,436,717.79 and 1,764,801.76 is: 2,435,457.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214,971.31 : 4,436,717.79 = 1,764,801.76 : x
  2. Step 2: Convert to fraction form
    3,214,971.31/4,436,717.79 = 1,764,801.76/x
  3. Step 3: Cross multiply
    3,214,971.31x = 4,436,717.79 × 1,764,801.76
  4. Step 4: Simplify right side
    3,214,971.31x = 7,829,927,364,415.31
  5. Step 5: Solve for x
    x = 7,829,927,364,415.31/3,214,971.31
  6. Step 6: Final answer
    x = 2,435,457.93

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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.