Home / 2,686,055.70-4,020,226.20-1,888,894.20

Finding the Fourth Proportional to 2,686,055.70, 4,020,226.20 and 1,888,894.20

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Solution

The fourth proportional to 2,686,055.70, 4,020,226.20 and 1,888,894.20 is: 2,827,112.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,055.70 : 4,020,226.20 = 1,888,894.20 : x
  2. Step 2: Convert to fraction form
    2,686,055.70/4,020,226.20 = 1,888,894.20/x
  3. Step 3: Cross multiply
    2,686,055.70x = 4,020,226.20 × 1,888,894.20
  4. Step 4: Simplify right side
    2,686,055.70x = 7,593,781,951,868.04
  5. Step 5: Solve for x
    x = 7,593,781,951,868.04/2,686,055.70
  6. Step 6: Final answer
    x = 2,827,112.61

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1.5x scale

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.