Finding the Fourth Proportional to 3,117,335.46, 4,304,893.80 and 2,947,504.95
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Solution
The fourth proportional to 3,117,335.46, 4,304,893.80 and 2,947,504.95 is: 4,070,365.85
Step by Step Solution
- Step 1: Write the proportion equation
3,117,335.46 : 4,304,893.80 = 2,947,504.95 : x - Step 2: Convert to fraction form
3,117,335.46/4,304,893.80 = 2,947,504.95/x - Step 3: Cross multiply
3,117,335.46x = 4,304,893.80 × 2,947,504.95 - Step 4: Simplify right side
3,117,335.46x = 12,688,695,784,724.31 - Step 5: Solve for x
x = 12,688,695,784,724.31/3,117,335.46 - Step 6: Final answer
x = 4,070,365.85
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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.