Finding the Fourth Proportional to 1,535,824.23, 2,119,858.97 and 891,452.01
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Solution
The fourth proportional to 1,535,824.23, 2,119,858.97 and 891,452.01 is: 1,230,448.45
Step by Step Solution
- Step 1: Write the proportion equation
1,535,824.23 : 2,119,858.97 = 891,452.01 : x - Step 2: Convert to fraction form
1,535,824.23/2,119,858.97 = 891,452.01/x - Step 3: Cross multiply
1,535,824.23x = 2,119,858.97 × 891,452.01 - Step 4: Simplify right side
1,535,824.23x = 1,889,752,539,723.03 - Step 5: Solve for x
x = 1,889,752,539,723.03/1,535,824.23 - Step 6: Final answer
x = 1,230,448.45
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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.