Finding the Fourth Proportional to 1,725,274.93, 2,380,879.48 and 1,000,543.02
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Solution
The fourth proportional to 1,725,274.93, 2,380,879.48 and 1,000,543.02 is: 1,380,749.42
Step by Step Solution
- Step 1: Write the proportion equation
1,725,274.93 : 2,380,879.48 = 1,000,543.02 : x - Step 2: Convert to fraction form
1,725,274.93/2,380,879.48 = 1,000,543.02/x - Step 3: Cross multiply
1,725,274.93x = 2,380,879.48 × 1,000,543.02 - Step 4: Simplify right side
1,725,274.93x = 2,382,172,345,175.23 - Step 5: Solve for x
x = 2,382,172,345,175.23/1,725,274.93 - Step 6: Final answer
x = 1,380,749.42
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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.