Finding the Fourth Proportional to 6,787,965.11, 9,366,836.94 and 3,996,646.79
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Solution
The fourth proportional to 6,787,965.11, 9,366,836.94 and 3,996,646.79 is: 5,515,045.84
Step by Step Solution
- Step 1: Write the proportion equation
6,787,965.11 : 9,366,836.94 = 3,996,646.79 : x - Step 2: Convert to fraction form
6,787,965.11/9,366,836.94 = 3,996,646.79/x - Step 3: Cross multiply
6,787,965.11x = 9,366,836.94 × 3,996,646.79 - Step 4: Simplify right side
6,787,965.11x = 37,435,938,741,870.23 - Step 5: Solve for x
x = 37,435,938,741,870.23/6,787,965.11 - Step 6: Final answer
x = 5,515,045.84
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1.5x scale
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.