Home / 2,897,169.89-4,345,710.57-979,428.20

Finding the Fourth Proportional to 2,897,169.89, 4,345,710.57 and 979,428.20

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Solution

The fourth proportional to 2,897,169.89, 4,345,710.57 and 979,428.20 is: 1,469,127.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897,169.89 : 4,345,710.57 = 979,428.20 : x
  2. Step 2: Convert to fraction form
    2,897,169.89/4,345,710.57 = 979,428.20/x
  3. Step 3: Cross multiply
    2,897,169.89x = 4,345,710.57 × 979,428.20
  4. Step 4: Simplify right side
    2,897,169.89x = 4,256,311,459,567.52
  5. Step 5: Solve for x
    x = 4,256,311,459,567.52/2,897,169.89
  6. Step 6: Final answer
    x = 1,469,127.33

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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.