Finding the Fourth Proportional to 5,134,892.58, 7,086,373.14 and 2,843,053.20
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Solution
The fourth proportional to 5,134,892.58, 7,086,373.14 and 2,843,053.20 is: 3,923,535.99
Step by Step Solution
- Step 1: Write the proportion equation
5,134,892.58 : 7,086,373.14 = 2,843,053.20 : x - Step 2: Convert to fraction form
5,134,892.58/7,086,373.14 = 2,843,053.20/x - Step 3: Cross multiply
5,134,892.58x = 7,086,373.14 × 2,843,053.20 - Step 4: Simplify right side
5,134,892.58x = 20,146,935,832,071.05 - Step 5: Solve for x
x = 20,146,935,832,071.05/5,134,892.58 - Step 6: Final answer
x = 3,923,535.99
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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.