Finding the Fourth Proportional to 1,623,715.66, 2,241,830.19 and 1,012,113.10
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Solution
The fourth proportional to 1,623,715.66, 2,241,830.19 and 1,012,113.10 is: 1,397,403.35
Step by Step Solution
- Step 1: Write the proportion equation
1,623,715.66 : 2,241,830.19 = 1,012,113.10 : x - Step 2: Convert to fraction form
1,623,715.66/2,241,830.19 = 1,012,113.10/x - Step 3: Cross multiply
1,623,715.66x = 2,241,830.19 × 1,012,113.10 - Step 4: Simplify right side
1,623,715.66x = 2,268,985,703,274.49 - Step 5: Solve for x
x = 2,268,985,703,274.49/1,623,715.66 - Step 6: Final answer
x = 1,397,403.35
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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.