Home / 2,186,087.49-3,016,806.09-1,219,280.40

Finding the Fourth Proportional to 2,186,087.49, 3,016,806.09 and 1,219,280.40

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Solution

The fourth proportional to 2,186,087.49, 3,016,806.09 and 1,219,280.40 is: 1,682,609.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,087.49 : 3,016,806.09 = 1,219,280.40 : x
  2. Step 2: Convert to fraction form
    2,186,087.49/3,016,806.09 = 1,219,280.40/x
  3. Step 3: Cross multiply
    2,186,087.49x = 3,016,806.09 × 1,219,280.40
  4. Step 4: Simplify right side
    2,186,087.49x = 3,678,332,536,137.64
  5. Step 5: Solve for x
    x = 3,678,332,536,137.64/2,186,087.49
  6. Step 6: Final answer
    x = 1,682,609.94

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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.