Finding the Fourth Proportional to 1,639,577.93, 2,262,621.56 and 914,472.62
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Solution
The fourth proportional to 1,639,577.93, 2,262,621.56 and 914,472.62 is: 1,261,974.45
Step by Step Solution
- Step 1: Write the proportion equation
1,639,577.93 : 2,262,621.56 = 914,472.62 : x - Step 2: Convert to fraction form
1,639,577.93/2,262,621.56 = 914,472.62/x - Step 3: Cross multiply
1,639,577.93x = 2,262,621.56 × 914,472.62 - Step 4: Simplify right side
1,639,577.93x = 2,069,105,461,469.32 - Step 5: Solve for x
x = 2,069,105,461,469.32/1,639,577.93 - Step 6: Final answer
x = 1,261,974.45
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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.