Finding the Fourth Proportional to 3,367,511.92, 5,053,260.80 and 1,239,090.72
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Solution
The fourth proportional to 3,367,511.92, 5,053,260.80 and 1,239,090.72 is: 1,859,369.38
Step by Step Solution
- Step 1: Write the proportion equation
3,367,511.92 : 5,053,260.80 = 1,239,090.72 : x - Step 2: Convert to fraction form
3,367,511.92/5,053,260.80 = 1,239,090.72/x - Step 3: Cross multiply
3,367,511.92x = 5,053,260.80 × 1,239,090.72 - Step 4: Simplify right side
3,367,511.92x = 6,261,448,563,019.78 - Step 5: Solve for x
x = 6,261,448,563,019.78/3,367,511.92 - Step 6: Final answer
x = 1,859,369.38
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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.