Home / 2,013,409.38-2,778,505.40-1,107,991.38

Finding the Fourth Proportional to 2,013,409.38, 2,778,505.40 and 1,107,991.38

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Solution

The fourth proportional to 2,013,409.38, 2,778,505.40 and 1,107,991.38 is: 1,529,028.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013,409.38 : 2,778,505.40 = 1,107,991.38 : x
  2. Step 2: Convert to fraction form
    2,013,409.38/2,778,505.40 = 1,107,991.38/x
  3. Step 3: Cross multiply
    2,013,409.38x = 2,778,505.40 × 1,107,991.38
  4. Step 4: Simplify right side
    2,013,409.38x = 3,078,560,032,483.45
  5. Step 5: Solve for x
    x = 3,078,560,032,483.45/2,013,409.38
  6. Step 6: Final answer
    x = 1,529,028.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.