Finding the Fourth Proportional to 3,277,470.90, 4,917,968.91 and 3,158,176.26
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Solution
The fourth proportional to 3,277,470.90, 4,917,968.91 and 3,158,176.26 is: 4,738,962.80
Step by Step Solution
- Step 1: Write the proportion equation
3,277,470.90 : 4,917,968.91 = 3,158,176.26 : x - Step 2: Convert to fraction form
3,277,470.90/4,917,968.91 = 3,158,176.26/x - Step 3: Cross multiply
3,277,470.90x = 4,917,968.91 × 3,158,176.26 - Step 4: Simplify right side
3,277,470.90x = 15,531,812,658,980.08 - Step 5: Solve for x
x = 15,531,812,658,980.08/3,277,470.90 - Step 6: Final answer
x = 4,738,962.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.