Finding the Fourth Proportional to 1,552,654.58, 2,142,724.79 and 864,357.08
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Solution
The fourth proportional to 1,552,654.58, 2,142,724.79 and 864,357.08 is: 1,192,846.99
Step by Step Solution
- Step 1: Write the proportion equation
1,552,654.58 : 2,142,724.79 = 864,357.08 : x - Step 2: Convert to fraction form
1,552,654.58/2,142,724.79 = 864,357.08/x - Step 3: Cross multiply
1,552,654.58x = 2,142,724.79 × 864,357.08 - Step 4: Simplify right side
1,552,654.58x = 1,852,079,334,175.28 - Step 5: Solve for x
x = 1,852,079,334,175.28/1,552,654.58 - Step 6: Final answer
x = 1,192,846.99
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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.