Finding the Fourth Proportional to 4,570,328.72, 6,306,963.42 and 2,505,348.74
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Solution
The fourth proportional to 4,570,328.72, 6,306,963.42 and 2,505,348.74 is: 3,457,331.81
Step by Step Solution
- Step 1: Write the proportion equation
4,570,328.72 : 6,306,963.42 = 2,505,348.74 : x - Step 2: Convert to fraction form
4,570,328.72/6,306,963.42 = 2,505,348.74/x - Step 3: Cross multiply
4,570,328.72x = 6,306,963.42 × 2,505,348.74 - Step 4: Simplify right side
4,570,328.72x = 15,801,142,857,523.09 - Step 5: Solve for x
x = 15,801,142,857,523.09/4,570,328.72 - Step 6: Final answer
x = 3,457,331.81
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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.