Finding the Fourth Proportional to 5,121,533.02, 7,067,858.16 and 2,829,841.42
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Solution
The fourth proportional to 5,121,533.02, 7,067,858.16 and 2,829,841.42 is: 3,905,259.95
Step by Step Solution
- Step 1: Write the proportion equation
5,121,533.02 : 7,067,858.16 = 2,829,841.42 : x - Step 2: Convert to fraction form
5,121,533.02/7,067,858.16 = 2,829,841.42/x - Step 3: Cross multiply
5,121,533.02x = 7,067,858.16 × 2,829,841.42 - Step 4: Simplify right side
5,121,533.02x = 20,000,917,771,852.99 - Step 5: Solve for x
x = 20,000,917,771,852.99/5,121,533.02 - Step 6: Final answer
x = 3,905,259.95
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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.