Home / 1,870,011.57-2,580,504.69-1,085,016.75

Finding the Fourth Proportional to 1,870,011.57, 2,580,504.69 and 1,085,016.75

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Solution

The fourth proportional to 1,870,011.57, 2,580,504.69 and 1,085,016.75 is: 1,497,258.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,011.57 : 2,580,504.69 = 1,085,016.75 : x
  2. Step 2: Convert to fraction form
    1,870,011.57/2,580,504.69 = 1,085,016.75/x
  3. Step 3: Cross multiply
    1,870,011.57x = 2,580,504.69 × 1,085,016.75
  4. Step 4: Simplify right side
    1,870,011.57x = 2,799,890,812,103.56
  5. Step 5: Solve for x
    x = 2,799,890,812,103.56/1,870,011.57
  6. Step 6: Final answer
    x = 1,497,258.55

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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.