Finding the Fourth Proportional to 6,473,880.74, 8,932,621.76 and 3,720,036.12
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Solution
The fourth proportional to 6,473,880.74, 8,932,621.76 and 3,720,036.12 is: 5,132,883.49
Step by Step Solution
- Step 1: Write the proportion equation
6,473,880.74 : 8,932,621.76 = 3,720,036.12 : x - Step 2: Convert to fraction form
6,473,880.74/8,932,621.76 = 3,720,036.12/x - Step 3: Cross multiply
6,473,880.74x = 8,932,621.76 × 3,720,036.12 - Step 4: Simplify right side
6,473,880.74x = 33,229,675,593,497.97 - Step 5: Solve for x
x = 33,229,675,593,497.97/6,473,880.74 - Step 6: Final answer
x = 5,132,883.49
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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.