Finding the Fourth Proportional to 3,922,290.63, 5,411,204.59 and 2,268,132.09
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Solution
The fourth proportional to 3,922,290.63, 5,411,204.59 and 2,268,132.09 is: 3,129,122.22
Step by Step Solution
- Step 1: Write the proportion equation
3,922,290.63 : 5,411,204.59 = 2,268,132.09 : x - Step 2: Convert to fraction form
3,922,290.63/5,411,204.59 = 2,268,132.09/x - Step 3: Cross multiply
3,922,290.63x = 5,411,204.59 × 2,268,132.09 - Step 4: Simplify right side
3,922,290.63x = 12,273,326,776,134.29 - Step 5: Solve for x
x = 12,273,326,776,134.29/3,922,290.63 - Step 6: Final answer
x = 3,129,122.22
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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.