Home / 1,888,485.52-2,606,028.42-1,072,686.64

Finding the Fourth Proportional to 1,888,485.52, 2,606,028.42 and 1,072,686.64

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Solution

The fourth proportional to 1,888,485.52, 2,606,028.42 and 1,072,686.64 is: 1,480,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,485.52 : 2,606,028.42 = 1,072,686.64 : x
  2. Step 2: Convert to fraction form
    1,888,485.52/2,606,028.42 = 1,072,686.64/x
  3. Step 3: Cross multiply
    1,888,485.52x = 2,606,028.42 × 1,072,686.64
  4. Step 4: Simplify right side
    1,888,485.52x = 2,795,451,869,594.31
  5. Step 5: Solve for x
    x = 2,795,451,869,594.31/1,888,485.52
  6. Step 6: Final answer
    x = 1,480,261.21

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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.