Home / 5,108,338.40-7,049,554.56-2,816,580.56

Finding the Fourth Proportional to 5,108,338.40, 7,049,554.56 and 2,816,580.56

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Solution

The fourth proportional to 5,108,338.40, 7,049,554.56 and 2,816,580.56 is: 3,886,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108,338.40 : 7,049,554.56 = 2,816,580.56 : x
  2. Step 2: Convert to fraction form
    5,108,338.40/7,049,554.56 = 2,816,580.56/x
  3. Step 3: Cross multiply
    5,108,338.40x = 7,049,554.56 × 2,816,580.56
  4. Step 4: Simplify right side
    5,108,338.40x = 19,855,638,295,107.58
  5. Step 5: Solve for x
    x = 19,855,638,295,107.58/5,108,338.40
  6. Step 6: Final answer
    x = 3,886,907.40

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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.