Home / 2,119,039.80-3,178,559.70-699,020.70

Finding the Fourth Proportional to 2,119,039.80, 3,178,559.70 and 699,020.70

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Solution

The fourth proportional to 2,119,039.80, 3,178,559.70 and 699,020.70 is: 1,048,531.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,039.80 : 3,178,559.70 = 699,020.70 : x
  2. Step 2: Convert to fraction form
    2,119,039.80/3,178,559.70 = 699,020.70/x
  3. Step 3: Cross multiply
    2,119,039.80x = 3,178,559.70 × 699,020.70
  4. Step 4: Simplify right side
    2,119,039.80x = 2,221,879,026,485.79
  5. Step 5: Solve for x
    x = 2,221,879,026,485.79/2,119,039.80
  6. Step 6: Final answer
    x = 1,048,531.05

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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.