Home / 1,908,722.77-2,863,009.42-646,550.39

Finding the Fourth Proportional to 1,908,722.77, 2,863,009.42 and 646,550.39

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Solution

The fourth proportional to 1,908,722.77, 2,863,009.42 and 646,550.39 is: 969,800.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,722.77 : 2,863,009.42 = 646,550.39 : x
  2. Step 2: Convert to fraction form
    1,908,722.77/2,863,009.42 = 646,550.39/x
  3. Step 3: Cross multiply
    1,908,722.77x = 2,863,009.42 × 646,550.39
  4. Step 4: Simplify right side
    1,908,722.77x = 1,851,079,857,074.67
  5. Step 5: Solve for x
    x = 1,851,079,857,074.67/1,908,722.77
  6. Step 6: Final answer
    x = 969,800.27

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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.