Finding the Fourth Proportional to 2,651,021.39, 3,658,185.06 and 1,489,376.63
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Solution
The fourth proportional to 2,651,021.39, 3,658,185.06 and 1,489,376.63 is: 2,055,213.65
Step by Step Solution
- Step 1: Write the proportion equation
2,651,021.39 : 3,658,185.06 = 1,489,376.63 : x - Step 2: Convert to fraction form
2,651,021.39/3,658,185.06 = 1,489,376.63/x - Step 3: Cross multiply
2,651,021.39x = 3,658,185.06 × 1,489,376.63 - Step 4: Simplify right side
2,651,021.39x = 5,448,415,336,579.15 - Step 5: Solve for x
x = 5,448,415,336,579.15/2,651,021.39 - Step 6: Final answer
x = 2,055,213.65
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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.