Finding the Fourth Proportional to 5,478,326.71, 7,562,512.26 and 3,273,967.18
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Solution
The fourth proportional to 5,478,326.71, 7,562,512.26 and 3,273,967.18 is: 4,519,521.79
Step by Step Solution
- Step 1: Write the proportion equation
5,478,326.71 : 7,562,512.26 = 3,273,967.18 : x - Step 2: Convert to fraction form
5,478,326.71/7,562,512.26 = 3,273,967.18/x - Step 3: Cross multiply
5,478,326.71x = 7,562,512.26 × 3,273,967.18 - Step 4: Simplify right side
5,478,326.71x = 24,759,416,937,587.63 - Step 5: Solve for x
x = 24,759,416,937,587.63/5,478,326.71 - Step 6: Final answer
x = 4,519,521.79
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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.