Home / 1,916,086.50-2,874,130.21-779,467.06

Finding the Fourth Proportional to 1,916,086.50, 2,874,130.21 and 779,467.06

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Solution

The fourth proportional to 1,916,086.50, 2,874,130.21 and 779,467.06 is: 1,169,200.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,086.50 : 2,874,130.21 = 779,467.06 : x
  2. Step 2: Convert to fraction form
    1,916,086.50/2,874,130.21 = 779,467.06/x
  3. Step 3: Cross multiply
    1,916,086.50x = 2,874,130.21 × 779,467.06
  4. Step 4: Simplify right side
    1,916,086.50x = 2,240,289,829,412.88
  5. Step 5: Solve for x
    x = 2,240,289,829,412.88/1,916,086.50
  6. Step 6: Final answer
    x = 1,169,200.78

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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.