Finding the Fourth Proportional to 2,944,858.48, 4,063,955.49 and 1,638,214.88
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Solution
The fourth proportional to 2,944,858.48, 4,063,955.49 and 1,638,214.88 is: 2,260,764.78
Step by Step Solution
- Step 1: Write the proportion equation
2,944,858.48 : 4,063,955.49 = 1,638,214.88 : x - Step 2: Convert to fraction form
2,944,858.48/4,063,955.49 = 1,638,214.88/x - Step 3: Cross multiply
2,944,858.48x = 4,063,955.49 × 1,638,214.88 - Step 4: Simplify right side
2,944,858.48x = 6,657,632,335,055.91 - Step 5: Solve for x
x = 6,657,632,335,055.91/2,944,858.48 - Step 6: Final answer
x = 2,260,764.78
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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.