Finding the Fourth Proportional to 7,028,629.54, 9,699,531.48 and 3,931,206
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Solution
The fourth proportional to 7,028,629.54, 9,699,531.48 and 3,931,206 is: 5,425,076.98
Step by Step Solution
- Step 1: Write the proportion equation
7,028,629.54 : 9,699,531.48 = 3,931,206 : x - Step 2: Convert to fraction form
7,028,629.54/9,699,531.48 = 3,931,206/x - Step 3: Cross multiply
7,028,629.54x = 9,699,531.48 × 3,931,206 - Step 4: Simplify right side
7,028,629.54x = 38,130,856,351,364.88 - Step 5: Solve for x
x = 38,130,856,351,364.88/7,028,629.54 - Step 6: Final answer
x = 5,425,076.98
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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.