Finding the Fourth Proportional to 4,989,571.02, 7,485,279.68 and 1,578,716.26
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Solution
The fourth proportional to 4,989,571.02, 7,485,279.68 and 1,578,716.26 is: 2,368,366.47
Step by Step Solution
- Step 1: Write the proportion equation
4,989,571.02 : 7,485,279.68 = 1,578,716.26 : x - Step 2: Convert to fraction form
4,989,571.02/7,485,279.68 = 1,578,716.26/x - Step 3: Cross multiply
4,989,571.02x = 7,485,279.68 × 1,578,716.26 - Step 4: Simplify right side
4,989,571.02x = 11,817,132,726,697.19 - Step 5: Solve for x
x = 11,817,132,726,697.19/4,989,571.02 - Step 6: Final answer
x = 2,368,366.47
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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.