Home / 2,825,840.64-3,899,762.46-1,618,849.92

Finding the Fourth Proportional to 2,825,840.64, 3,899,762.46 and 1,618,849.92

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Solution

The fourth proportional to 2,825,840.64, 3,899,762.46 and 1,618,849.92 is: 2,234,071.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,840.64 : 3,899,762.46 = 1,618,849.92 : x
  2. Step 2: Convert to fraction form
    2,825,840.64/3,899,762.46 = 1,618,849.92/x
  3. Step 3: Cross multiply
    2,825,840.64x = 3,899,762.46 × 1,618,849.92
  4. Step 4: Simplify right side
    2,825,840.64x = 6,313,130,146,390.00
  5. Step 5: Solve for x
    x = 6,313,130,146,390.00/2,825,840.64
  6. Step 6: Final answer
    x = 2,234,071.54

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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.