Finding the Fourth Proportional to 1,535,542.44, 2,119,728.15 and 991,943.34
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Solution
The fourth proportional to 1,535,542.44, 2,119,728.15 and 991,943.34 is: 1,369,320.81
Step by Step Solution
- Step 1: Write the proportion equation
1,535,542.44 : 2,119,728.15 = 991,943.34 : x - Step 2: Convert to fraction form
1,535,542.44/2,119,728.15 = 991,943.34/x - Step 3: Cross multiply
1,535,542.44x = 2,119,728.15 × 991,943.34 - Step 4: Simplify right side
1,535,542.44x = 2,102,650,221,003.02 - Step 5: Solve for x
x = 2,102,650,221,003.02/1,535,542.44 - Step 6: Final answer
x = 1,369,320.81
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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.