Finding the Fourth Proportional to 1,460,304.93, 2,015,220.72 and 815,725.12
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Solution
The fourth proportional to 1,460,304.93, 2,015,220.72 and 815,725.12 is: 1,125,700.62
Step by Step Solution
- Step 1: Write the proportion equation
1,460,304.93 : 2,015,220.72 = 815,725.12 : x - Step 2: Convert to fraction form
1,460,304.93/2,015,220.72 = 815,725.12/x - Step 3: Cross multiply
1,460,304.93x = 2,015,220.72 × 815,725.12 - Step 4: Simplify right side
1,460,304.93x = 1,643,866,170,778.14 - Step 5: Solve for x
x = 1,643,866,170,778.14/1,460,304.93 - Step 6: Final answer
x = 1,125,700.62
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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.