Finding the Fourth Proportional to 5,219,574.36, 7,202,997.64 and 2,896,817.44
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Solution
The fourth proportional to 5,219,574.36, 7,202,997.64 and 2,896,817.44 is: 3,997,599.76
Step by Step Solution
- Step 1: Write the proportion equation
5,219,574.36 : 7,202,997.64 = 2,896,817.44 : x - Step 2: Convert to fraction form
5,219,574.36/7,202,997.64 = 2,896,817.44/x - Step 3: Cross multiply
5,219,574.36x = 7,202,997.64 × 2,896,817.44 - Step 4: Simplify right side
5,219,574.36x = 20,865,769,183,830.84 - Step 5: Solve for x
x = 20,865,769,183,830.84/5,219,574.36 - Step 6: Final answer
x = 3,997,599.76
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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.