Finding the Fourth Proportional to 3,290,304.31, 4,540,534.68 and 1,820,267.17
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Solution
The fourth proportional to 3,290,304.31, 4,540,534.68 and 1,820,267.17 is: 2,511,921.52
Step by Step Solution
- Step 1: Write the proportion equation
3,290,304.31 : 4,540,534.68 = 1,820,267.17 : x - Step 2: Convert to fraction form
3,290,304.31/4,540,534.68 = 1,820,267.17/x - Step 3: Cross multiply
3,290,304.31x = 4,540,534.68 × 1,820,267.17 - Step 4: Simplify right side
3,290,304.31x = 8,264,986,212,250.46 - Step 5: Solve for x
x = 8,264,986,212,250.46/3,290,304.31 - Step 6: Final answer
x = 2,511,921.52
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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.