Home / 1,919,451.92-2,629,636.90-1,847,678.48

Finding the Fourth Proportional to 1,919,451.92, 2,629,636.90 and 1,847,678.48

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Solution

The fourth proportional to 1,919,451.92, 2,629,636.90 and 1,847,678.48 is: 2,531,307.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,451.92 : 2,629,636.90 = 1,847,678.48 : x
  2. Step 2: Convert to fraction form
    1,919,451.92/2,629,636.90 = 1,847,678.48/x
  3. Step 3: Cross multiply
    1,919,451.92x = 2,629,636.90 × 1,847,678.48
  4. Step 4: Simplify right side
    1,919,451.92x = 4,858,723,510,343.91
  5. Step 5: Solve for x
    x = 4,858,723,510,343.91/1,919,451.92
  6. Step 6: Final answer
    x = 2,531,307.74

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.