Finding the Fourth Proportional to 1,927,485, 2,659,987.62 and 1,067,964.84
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Solution
The fourth proportional to 1,927,485, 2,659,987.62 and 1,067,964.84 is: 1,473,823.79
Step by Step Solution
- Step 1: Write the proportion equation
1,927,485 : 2,659,987.62 = 1,067,964.84 : x - Step 2: Convert to fraction form
1,927,485/2,659,987.62 = 1,067,964.84/x - Step 3: Cross multiply
1,927,485x = 2,659,987.62 × 1,067,964.84 - Step 4: Simplify right side
1,927,485x = 2,840,773,252,995.28 - Step 5: Solve for x
x = 2,840,773,252,995.28/1,927,485 - Step 6: Final answer
x = 1,473,823.79
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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.