Finding the Fourth Proportional to 1,655,611.52, 2,284,933.36 and 920,639.18
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Solution
The fourth proportional to 1,655,611.52, 2,284,933.36 and 920,639.18 is: 1,270,587.42
Step by Step Solution
- Step 1: Write the proportion equation
1,655,611.52 : 2,284,933.36 = 920,639.18 : x - Step 2: Convert to fraction form
1,655,611.52/2,284,933.36 = 920,639.18/x - Step 3: Cross multiply
1,655,611.52x = 2,284,933.36 × 920,639.18 - Step 4: Simplify right side
1,655,611.52x = 2,103,599,174,905.04 - Step 5: Solve for x
x = 2,103,599,174,905.04/1,655,611.52 - Step 6: Final answer
x = 1,270,587.42
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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.