Finding the Fourth Proportional to 3,299,946.68, 4,949,941.86 and 1,278,415.08
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Solution
The fourth proportional to 3,299,946.68, 4,949,941.86 and 1,278,415.08 is: 1,917,631.08
Step by Step Solution
- Step 1: Write the proportion equation
3,299,946.68 : 4,949,941.86 = 1,278,415.08 : x - Step 2: Convert to fraction form
3,299,946.68/4,949,941.86 = 1,278,415.08/x - Step 3: Cross multiply
3,299,946.68x = 4,949,941.86 × 1,278,415.08 - Step 4: Simplify right side
3,299,946.68x = 6,328,080,318,947.25 - Step 5: Solve for x
x = 6,328,080,318,947.25/3,299,946.68 - Step 6: Final answer
x = 1,917,631.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.