Finding the Fourth Proportional to 1,485,482.44, 2,049,965.68 and 806,418.96
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Solution
The fourth proportional to 1,485,482.44, 2,049,965.68 and 806,418.96 is: 1,112,858.12
Step by Step Solution
- Step 1: Write the proportion equation
1,485,482.44 : 2,049,965.68 = 806,418.96 : x - Step 2: Convert to fraction form
1,485,482.44/2,049,965.68 = 806,418.96/x - Step 3: Cross multiply
1,485,482.44x = 2,049,965.68 × 806,418.96 - Step 4: Simplify right side
1,485,482.44x = 1,653,131,191,701.29 - Step 5: Solve for x
x = 1,653,131,191,701.29/1,485,482.44 - Step 6: Final answer
x = 1,112,858.12
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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.