Finding the Fourth Proportional to 1,646,995.41, 2,272,853.15 and 921,842.94
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Solution
The fourth proportional to 1,646,995.41, 2,272,853.15 and 921,842.94 is: 1,272,142.97
Step by Step Solution
- Step 1: Write the proportion equation
1,646,995.41 : 2,272,853.15 = 921,842.94 : x - Step 2: Convert to fraction form
1,646,995.41/2,272,853.15 = 921,842.94/x - Step 3: Cross multiply
1,646,995.41x = 2,272,853.15 × 921,842.94 - Step 4: Simplify right side
1,646,995.41x = 2,095,213,629,984.26 - Step 5: Solve for x
x = 2,095,213,629,984.26/1,646,995.41 - Step 6: Final answer
x = 1,272,142.97
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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.