Finding the Fourth Proportional to 1,653,944.62, 2,282,690.42 and 1,009,738.26
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Solution
The fourth proportional to 1,653,944.62, 2,282,690.42 and 1,009,738.26 is: 1,393,589.50
Step by Step Solution
- Step 1: Write the proportion equation
1,653,944.62 : 2,282,690.42 = 1,009,738.26 : x - Step 2: Convert to fraction form
1,653,944.62/2,282,690.42 = 1,009,738.26/x - Step 3: Cross multiply
1,653,944.62x = 2,282,690.42 × 1,009,738.26 - Step 4: Simplify right side
1,653,944.62x = 2,304,919,852,809.47 - Step 5: Solve for x
x = 2,304,919,852,809.47/1,653,944.62 - Step 6: Final answer
x = 1,393,589.50
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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.