Finding the Fourth Proportional to 1,752,959.75, 2,419,088.78 and 948,143.75
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Solution
The fourth proportional to 1,752,959.75, 2,419,088.78 and 948,143.75 is: 1,308,440.71
Step by Step Solution
- Step 1: Write the proportion equation
1,752,959.75 : 2,419,088.78 = 948,143.75 : x - Step 2: Convert to fraction form
1,752,959.75/2,419,088.78 = 948,143.75/x - Step 3: Cross multiply
1,752,959.75x = 2,419,088.78 × 948,143.75 - Step 4: Simplify right side
1,752,959.75x = 2,293,643,907,452.13 - Step 5: Solve for x
x = 2,293,643,907,452.13/1,752,959.75 - Step 6: Final answer
x = 1,308,440.71
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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.