Home / 2,172,124.20-3,259,352.70-910,079.40

Finding the Fourth Proportional to 2,172,124.20, 3,259,352.70 and 910,079.40

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Solution

The fourth proportional to 2,172,124.20, 3,259,352.70 and 910,079.40 is: 1,365,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,124.20 : 3,259,352.70 = 910,079.40 : x
  2. Step 2: Convert to fraction form
    2,172,124.20/3,259,352.70 = 910,079.40/x
  3. Step 3: Cross multiply
    2,172,124.20x = 3,259,352.70 × 910,079.40
  4. Step 4: Simplify right side
    2,172,124.20x = 2,966,269,749,604.38
  5. Step 5: Solve for x
    x = 2,966,269,749,604.38/2,172,124.20
  6. Step 6: Final answer
    x = 1,365,607.80

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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.