Finding the Fourth Proportional to 1,680,476.18, 2,318,642.26 and 992,164.10
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Solution
The fourth proportional to 1,680,476.18, 2,318,642.26 and 992,164.10 is: 1,368,941.52
Step by Step Solution
- Step 1: Write the proportion equation
1,680,476.18 : 2,318,642.26 = 992,164.10 : x - Step 2: Convert to fraction form
1,680,476.18/2,318,642.26 = 992,164.10/x - Step 3: Cross multiply
1,680,476.18x = 2,318,642.26 × 992,164.10 - Step 4: Simplify right side
1,680,476.18x = 2,300,473,611,114.87 - Step 5: Solve for x
x = 2,300,473,611,114.87/1,680,476.18 - Step 6: Final answer
x = 1,368,941.52
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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.