Finding the Fourth Proportional to 2,143,604.47, 2,958,097.55 and 1,213,292.26
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Solution
The fourth proportional to 2,143,604.47, 2,958,097.55 and 1,213,292.26 is: 1,674,299.95
Step by Step Solution
- Step 1: Write the proportion equation
2,143,604.47 : 2,958,097.55 = 1,213,292.26 : x - Step 2: Convert to fraction form
2,143,604.47/2,958,097.55 = 1,213,292.26/x - Step 3: Cross multiply
2,143,604.47x = 2,958,097.55 × 1,213,292.26 - Step 4: Simplify right side
2,143,604.47x = 3,589,036,860,703.67 - Step 5: Solve for x
x = 3,589,036,860,703.67/2,143,604.47 - Step 6: Final answer
x = 1,674,299.95
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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.