Finding the Fourth Proportional to 1,917,313.17, 2,646,850.98 and 1,192,394.43
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Solution
The fourth proportional to 1,917,313.17, 2,646,850.98 and 1,192,394.43 is: 1,646,100.60
Step by Step Solution
- Step 1: Write the proportion equation
1,917,313.17 : 2,646,850.98 = 1,192,394.43 : x - Step 2: Convert to fraction form
1,917,313.17/2,646,850.98 = 1,192,394.43/x - Step 3: Cross multiply
1,917,313.17x = 2,646,850.98 × 1,192,394.43 - Step 4: Simplify right side
1,917,313.17x = 3,156,090,365,592.04 - Step 5: Solve for x
x = 3,156,090,365,592.04/1,917,313.17 - Step 6: Final answer
x = 1,646,100.60
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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.