Finding the Fourth Proportional to 1,910,965.99, 2,637,242.18 and 1,095,305.54
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Solution
The fourth proportional to 1,910,965.99, 2,637,242.18 and 1,095,305.54 is: 1,511,584.19
Step by Step Solution
- Step 1: Write the proportion equation
1,910,965.99 : 2,637,242.18 = 1,095,305.54 : x - Step 2: Convert to fraction form
1,910,965.99/2,637,242.18 = 1,095,305.54/x - Step 3: Cross multiply
1,910,965.99x = 2,637,242.18 × 1,095,305.54 - Step 4: Simplify right side
1,910,965.99x = 2,888,585,970,354.82 - Step 5: Solve for x
x = 2,888,585,970,354.82/1,910,965.99 - Step 6: Final answer
x = 1,511,584.19
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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.