Finding the Fourth Proportional to 5,106,193.40, 7,046,704.14 and 2,931,133.88
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Solution
The fourth proportional to 5,106,193.40, 7,046,704.14 and 2,931,133.88 is: 4,045,055.02
Step by Step Solution
- Step 1: Write the proportion equation
5,106,193.40 : 7,046,704.14 = 2,931,133.88 : x - Step 2: Convert to fraction form
5,106,193.40/7,046,704.14 = 2,931,133.88/x - Step 3: Cross multiply
5,106,193.40x = 7,046,704.14 × 2,931,133.88 - Step 4: Simplify right side
5,106,193.40x = 20,654,833,247,090.26 - Step 5: Solve for x
x = 20,654,833,247,090.26/5,106,193.40 - Step 6: Final answer
x = 4,045,055.02
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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.