Finding the Fourth Proportional to 2,419,332.12, 3,338,678.13 and 1,316,771.44
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Solution
The fourth proportional to 2,419,332.12, 3,338,678.13 and 1,316,771.44 is: 1,817,144.48
Step by Step Solution
- Step 1: Write the proportion equation
2,419,332.12 : 3,338,678.13 = 1,316,771.44 : x - Step 2: Convert to fraction form
2,419,332.12/3,338,678.13 = 1,316,771.44/x - Step 3: Cross multiply
2,419,332.12x = 3,338,678.13 × 1,316,771.44 - Step 4: Simplify right side
2,419,332.12x = 4,396,276,008,936.61 - Step 5: Solve for x
x = 4,396,276,008,936.61/2,419,332.12 - Step 6: Final answer
x = 1,817,144.48
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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.