Finding the Fourth Proportional to 1,728,624.93, 2,385,728.09 and 964,837.05
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Solution
The fourth proportional to 1,728,624.93, 2,385,728.09 and 964,837.05 is: 1,331,601.10
Step by Step Solution
- Step 1: Write the proportion equation
1,728,624.93 : 2,385,728.09 = 964,837.05 : x - Step 2: Convert to fraction form
1,728,624.93/2,385,728.09 = 964,837.05/x - Step 3: Cross multiply
1,728,624.93x = 2,385,728.09 × 964,837.05 - Step 4: Simplify right side
1,728,624.93x = 2,301,838,852,457.73 - Step 5: Solve for x
x = 2,301,838,852,457.73/1,728,624.93 - Step 6: Final answer
x = 1,331,601.10
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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.