Finding the Fourth Proportional to 1,639,577.18, 2,262,620.52 and 914,471.87
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Solution
The fourth proportional to 1,639,577.18, 2,262,620.52 and 914,471.87 is: 1,261,973.42
Step by Step Solution
- Step 1: Write the proportion equation
1,639,577.18 : 2,262,620.52 = 914,471.87 : x - Step 2: Convert to fraction form
1,639,577.18/2,262,620.52 = 914,471.87/x - Step 3: Cross multiply
1,639,577.18x = 2,262,620.52 × 914,471.87 - Step 4: Simplify right side
1,639,577.18x = 2,069,102,818,024.77 - Step 5: Solve for x
x = 2,069,102,818,024.77/1,639,577.18 - Step 6: Final answer
x = 1,261,973.42
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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.