Finding the Fourth Proportional to 1,728,015.93, 2,384,663.49 and 964,069.74
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Solution
The fourth proportional to 1,728,015.93, 2,384,663.49 and 964,069.74 is: 1,330,417.08
Step by Step Solution
- Step 1: Write the proportion equation
1,728,015.93 : 2,384,663.49 = 964,069.74 : x - Step 2: Convert to fraction form
1,728,015.93/2,384,663.49 = 964,069.74/x - Step 3: Cross multiply
1,728,015.93x = 2,384,663.49 × 964,069.74 - Step 4: Simplify right side
1,728,015.93x = 2,298,981,910,791.79 - Step 5: Solve for x
x = 2,298,981,910,791.79/1,728,015.93 - Step 6: Final answer
x = 1,330,417.08
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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.