Finding the Fourth Proportional to 5,224,076.88, 7,208,830.80 and 2,931,794.70
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Solution
The fourth proportional to 5,224,076.88, 7,208,830.80 and 2,931,794.70 is: 4,045,654.84
Step by Step Solution
- Step 1: Write the proportion equation
5,224,076.88 : 7,208,830.80 = 2,931,794.70 : x - Step 2: Convert to fraction form
5,224,076.88/7,208,830.80 = 2,931,794.70/x - Step 3: Cross multiply
5,224,076.88x = 7,208,830.80 × 2,931,794.70 - Step 4: Simplify right side
5,224,076.88x = 21,134,811,932,636.76 - Step 5: Solve for x
x = 21,134,811,932,636.76/5,224,076.88 - Step 6: Final answer
x = 4,045,654.84
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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.