Finding the Fourth Proportional to 5,347,015.44, 7,378,882.98 and 2,899,625.76
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Solution
The fourth proportional to 5,347,015.44, 7,378,882.98 and 2,899,625.76 is: 4,001,484.46
Step by Step Solution
- Step 1: Write the proportion equation
5,347,015.44 : 7,378,882.98 = 2,899,625.76 : x - Step 2: Convert to fraction form
5,347,015.44/7,378,882.98 = 2,899,625.76/x - Step 3: Cross multiply
5,347,015.44x = 7,378,882.98 × 2,899,625.76 - Step 4: Simplify right side
5,347,015.44x = 21,395,999,168,833.56 - Step 5: Solve for x
x = 21,395,999,168,833.56/5,347,015.44 - Step 6: Final answer
x = 4,001,484.46
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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.