Finding the Fourth Proportional to 3,941,120.94, 5,438,881.11 and 2,287,140
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Solution
The fourth proportional to 3,941,120.94, 5,438,881.11 and 2,287,140 is: 3,156,331.09
Step by Step Solution
- Step 1: Write the proportion equation
3,941,120.94 : 5,438,881.11 = 2,287,140 : x - Step 2: Convert to fraction form
3,941,120.94/5,438,881.11 = 2,287,140/x - Step 3: Cross multiply
3,941,120.94x = 5,438,881.11 × 2,287,140 - Step 4: Simplify right side
3,941,120.94x = 12,439,482,541,925.40 - Step 5: Solve for x
x = 12,439,482,541,925.40/3,941,120.94 - Step 6: Final answer
x = 3,156,331.09
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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.