Finding the Fourth Proportional to 1,959,310.08, 2,703,640.14 and 1,099,964.88
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Solution
The fourth proportional to 1,959,310.08, 2,703,640.14 and 1,099,964.88 is: 1,517,834.89
Step by Step Solution
- Step 1: Write the proportion equation
1,959,310.08 : 2,703,640.14 = 1,099,964.88 : x - Step 2: Convert to fraction form
1,959,310.08/2,703,640.14 = 1,099,964.88/x - Step 3: Cross multiply
1,959,310.08x = 2,703,640.14 × 1,099,964.88 - Step 4: Simplify right side
1,959,310.08x = 2,973,909,202,158.28 - Step 5: Solve for x
x = 2,973,909,202,158.28/1,959,310.08 - Step 6: Final answer
x = 1,517,834.89
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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.