Finding the Fourth Proportional to 1,596,317.87, 2,202,965.36 and 871,212.09
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Solution
The fourth proportional to 1,596,317.87, 2,202,965.36 and 871,212.09 is: 1,202,298.17
Step by Step Solution
- Step 1: Write the proportion equation
1,596,317.87 : 2,202,965.36 = 871,212.09 : x - Step 2: Convert to fraction form
1,596,317.87/2,202,965.36 = 871,212.09/x - Step 3: Cross multiply
1,596,317.87x = 2,202,965.36 × 871,212.09 - Step 4: Simplify right side
1,596,317.87x = 1,919,250,051,127.14 - Step 5: Solve for x
x = 1,919,250,051,127.14/1,596,317.87 - Step 6: Final answer
x = 1,202,298.17
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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.