Home / 2,110,783.12-2,912,879.32-1,143,913.42

Finding the Fourth Proportional to 2,110,783.12, 2,912,879.32 and 1,143,913.42

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Solution

The fourth proportional to 2,110,783.12, 2,912,879.32 and 1,143,913.42 is: 1,578,599.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110,783.12 : 2,912,879.32 = 1,143,913.42 : x
  2. Step 2: Convert to fraction form
    2,110,783.12/2,912,879.32 = 1,143,913.42/x
  3. Step 3: Cross multiply
    2,110,783.12x = 2,912,879.32 × 1,143,913.42
  4. Step 4: Simplify right side
    2,110,783.12x = 3,332,081,729,384.84
  5. Step 5: Solve for x
    x = 3,332,081,729,384.84/2,110,783.12
  6. Step 6: Final answer
    x = 1,578,599.76

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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.