Finding the Fourth Proportional to 3,317,173.68, 4,579,112.12 and 2,230,075.76
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Solution
The fourth proportional to 3,317,173.68, 4,579,112.12 and 2,230,075.76 is: 3,078,454.11
Step by Step Solution
- Step 1: Write the proportion equation
3,317,173.68 : 4,579,112.12 = 2,230,075.76 : x - Step 2: Convert to fraction form
3,317,173.68/4,579,112.12 = 2,230,075.76/x - Step 3: Cross multiply
3,317,173.68x = 4,579,112.12 × 2,230,075.76 - Step 4: Simplify right side
3,317,173.68x = 10,211,766,941,134.21 - Step 5: Solve for x
x = 10,211,766,941,134.21/3,317,173.68 - Step 6: Final answer
x = 3,078,454.11
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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.