Finding the Fourth Proportional to 2,380,296.80, 3,284,805.84 and 1,307,208.80
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Solution
The fourth proportional to 2,380,296.80, 3,284,805.84 and 1,307,208.80 is: 1,803,946.09
Step by Step Solution
- Step 1: Write the proportion equation
2,380,296.80 : 3,284,805.84 = 1,307,208.80 : x - Step 2: Convert to fraction form
2,380,296.80/3,284,805.84 = 1,307,208.80/x - Step 3: Cross multiply
2,380,296.80x = 3,284,805.84 × 1,307,208.80 - Step 4: Simplify right side
2,380,296.80x = 4,293,927,100,339.39 - Step 5: Solve for x
x = 4,293,927,100,339.39/2,380,296.80 - Step 6: Final answer
x = 1,803,946.09
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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.