Home / 2,021,418.90-3,030,087.15-1,008,983.70

Finding the Fourth Proportional to 2,021,418.90, 3,030,087.15 and 1,008,983.70

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Solution

The fourth proportional to 2,021,418.90, 3,030,087.15 and 1,008,983.70 is: 1,512,456.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,418.90 : 3,030,087.15 = 1,008,983.70 : x
  2. Step 2: Convert to fraction form
    2,021,418.90/3,030,087.15 = 1,008,983.70/x
  3. Step 3: Cross multiply
    2,021,418.90x = 3,030,087.15 × 1,008,983.70
  4. Step 4: Simplify right side
    2,021,418.90x = 3,057,308,543,929.45
  5. Step 5: Solve for x
    x = 3,057,308,543,929.45/2,021,418.90
  6. Step 6: Final answer
    x = 1,512,456.69

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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.