Home / 2,664,673.21-3,996,972.68-642,900.16

Finding the Fourth Proportional to 2,664,673.21, 3,996,972.68 and 642,900.16

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Solution

The fourth proportional to 2,664,673.21, 3,996,972.68 and 642,900.16 is: 964,341.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,673.21 : 3,996,972.68 = 642,900.16 : x
  2. Step 2: Convert to fraction form
    2,664,673.21/3,996,972.68 = 642,900.16/x
  3. Step 3: Cross multiply
    2,664,673.21x = 3,996,972.68 × 642,900.16
  4. Step 4: Simplify right side
    2,664,673.21x = 2,569,654,355,502.77
  5. Step 5: Solve for x
    x = 2,569,654,355,502.77/2,664,673.21
  6. Step 6: Final answer
    x = 964,341.27

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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.