Finding the Fourth Proportional to 4,643,724.40, 6,966,140.57 and 2,245,845.98
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Solution
The fourth proportional to 4,643,724.40, 6,966,140.57 and 2,245,845.98 is: 3,369,036.89
Step by Step Solution
- Step 1: Write the proportion equation
4,643,724.40 : 6,966,140.57 = 2,245,845.98 : x - Step 2: Convert to fraction form
4,643,724.40/6,966,140.57 = 2,245,845.98/x - Step 3: Cross multiply
4,643,724.40x = 6,966,140.57 × 2,245,845.98 - Step 4: Simplify right side
4,643,724.40x = 15,644,878,809,857.45 - Step 5: Solve for x
x = 15,644,878,809,857.45/4,643,724.40 - Step 6: Final answer
x = 3,369,036.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.