Finding the Fourth Proportional to 2,886,219.74, 3,983,403.62 and 1,662,287.06
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Solution
The fourth proportional to 2,886,219.74, 3,983,403.62 and 1,662,287.06 is: 2,294,198.26
Step by Step Solution
- Step 1: Write the proportion equation
2,886,219.74 : 3,983,403.62 = 1,662,287.06 : x - Step 2: Convert to fraction form
2,886,219.74/3,983,403.62 = 1,662,287.06/x - Step 3: Cross multiply
2,886,219.74x = 3,983,403.62 × 1,662,287.06 - Step 4: Simplify right side
2,886,219.74x = 6,621,560,306,397.38 - Step 5: Solve for x
x = 6,621,560,306,397.38/2,886,219.74 - Step 6: Final answer
x = 2,294,198.26
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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.