Finding the Fourth Proportional to 4,428,416.70, 6,643,791.45 and 1,588,232.70
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Solution
The fourth proportional to 4,428,416.70, 6,643,791.45 and 1,588,232.70 is: 2,382,767.37
Step by Step Solution
- Step 1: Write the proportion equation
4,428,416.70 : 6,643,791.45 = 1,588,232.70 : x - Step 2: Convert to fraction form
4,428,416.70/6,643,791.45 = 1,588,232.70/x - Step 3: Cross multiply
4,428,416.70x = 6,643,791.45 × 1,588,232.70 - Step 4: Simplify right side
4,428,416.70x = 10,551,886,832,870.41 - Step 5: Solve for x
x = 10,551,886,832,870.41/4,428,416.70 - Step 6: Final answer
x = 2,382,767.37
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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.