Finding the Fourth Proportional to 1,511,634.49, 2,267,437.64 and 612,862.58
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Solution
The fourth proportional to 1,511,634.49, 2,267,437.64 and 612,862.58 is: 919,288.16
Step by Step Solution
- Step 1: Write the proportion equation
1,511,634.49 : 2,267,437.64 = 612,862.58 : x - Step 2: Convert to fraction form
1,511,634.49/2,267,437.64 = 612,862.58/x - Step 3: Cross multiply
1,511,634.49x = 2,267,437.64 × 612,862.58 - Step 4: Simplify right side
1,511,634.49x = 1,389,627,684,643.79 - Step 5: Solve for x
x = 1,389,627,684,643.79/1,511,634.49 - Step 6: Final answer
x = 919,288.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.