Finding the Fourth Proportional to 2,449,564.49, 3,380,412.13 and 1,347,066.99
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Solution
The fourth proportional to 2,449,564.49, 3,380,412.13 and 1,347,066.99 is: 1,858,959.67
Step by Step Solution
- Step 1: Write the proportion equation
2,449,564.49 : 3,380,412.13 = 1,347,066.99 : x - Step 2: Convert to fraction form
2,449,564.49/3,380,412.13 = 1,347,066.99/x - Step 3: Cross multiply
2,449,564.49x = 3,380,412.13 × 1,347,066.99 - Step 4: Simplify right side
2,449,564.49x = 4,553,641,597,128.17 - Step 5: Solve for x
x = 4,553,641,597,128.17/2,449,564.49 - Step 6: Final answer
x = 1,858,959.67
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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.