Finding the Fourth Proportional to 3,179,148, 4,387,339.68 and 1,821,283.44
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Solution
The fourth proportional to 3,179,148, 4,387,339.68 and 1,821,283.44 is: 2,513,437.28
Step by Step Solution
- Step 1: Write the proportion equation
3,179,148 : 4,387,339.68 = 1,821,283.44 : x - Step 2: Convert to fraction form
3,179,148/4,387,339.68 = 1,821,283.44/x - Step 3: Cross multiply
3,179,148x = 4,387,339.68 × 1,821,283.44 - Step 4: Simplify right side
3,179,148x = 7,990,589,104,838.90 - Step 5: Solve for x
x = 7,990,589,104,838.90/3,179,148 - Step 6: Final answer
x = 2,513,437.28
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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.