Finding the Fourth Proportional to 3,827,656.94, 5,278,618.41 and 2,793,526.70
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Solution
The fourth proportional to 3,827,656.94, 5,278,618.41 and 2,793,526.70 is: 3,852,477.30
Step by Step Solution
- Step 1: Write the proportion equation
3,827,656.94 : 5,278,618.41 = 2,793,526.70 : x - Step 2: Convert to fraction form
3,827,656.94/5,278,618.41 = 2,793,526.70/x - Step 3: Cross multiply
3,827,656.94x = 5,278,618.41 × 2,793,526.70 - Step 4: Simplify right side
3,827,656.94x = 14,745,961,441,053.46 - Step 5: Solve for x
x = 14,745,961,441,053.46/3,827,656.94 - Step 6: Final answer
x = 3,852,477.30
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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.