Finding the Fourth Proportional to 1,557,117.92, 2,148,825.84 and 841,725.92
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Solution
The fourth proportional to 1,557,117.92, 2,148,825.84 and 841,725.92 is: 1,161,583.45
Step by Step Solution
- Step 1: Write the proportion equation
1,557,117.92 : 2,148,825.84 = 841,725.92 : x - Step 2: Convert to fraction form
1,557,117.92/2,148,825.84 = 841,725.92/x - Step 3: Cross multiply
1,557,117.92x = 2,148,825.84 × 841,725.92 - Step 4: Simplify right side
1,557,117.92x = 1,808,722,407,093.77 - Step 5: Solve for x
x = 1,808,722,407,093.77/1,557,117.92 - Step 6: Final answer
x = 1,161,583.45
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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.