Home / 1,889,142.56-2,606,940.96-1,029,684.32

Finding the Fourth Proportional to 1,889,142.56, 2,606,940.96 and 1,029,684.32

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Solution

The fourth proportional to 1,889,142.56, 2,606,940.96 and 1,029,684.32 is: 1,420,923.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,142.56 : 2,606,940.96 = 1,029,684.32 : x
  2. Step 2: Convert to fraction form
    1,889,142.56/2,606,940.96 = 1,029,684.32/x
  3. Step 3: Cross multiply
    1,889,142.56x = 2,606,940.96 × 1,029,684.32
  4. Step 4: Simplify right side
    1,889,142.56x = 2,684,326,229,677.75
  5. Step 5: Solve for x
    x = 2,684,326,229,677.75/1,889,142.56
  6. Step 6: Final answer
    x = 1,420,923.06

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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.