Finding the Fourth Proportional to 1,684,557.74, 2,324,695.74 and 920,611.64
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Solution
The fourth proportional to 1,684,557.74, 2,324,695.74 and 920,611.64 is: 1,270,447.37
Step by Step Solution
- Step 1: Write the proportion equation
1,684,557.74 : 2,324,695.74 = 920,611.64 : x - Step 2: Convert to fraction form
1,684,557.74/2,324,695.74 = 920,611.64/x - Step 3: Cross multiply
1,684,557.74x = 2,324,695.74 × 920,611.64 - Step 4: Simplify right side
1,684,557.74x = 2,140,141,957,702.41 - Step 5: Solve for x
x = 2,140,141,957,702.41/1,684,557.74 - Step 6: Final answer
x = 1,270,447.37
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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.