Finding the Fourth Proportional to 1,542,224.58, 2,128,269.66 and 863,161.08
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Solution
The fourth proportional to 1,542,224.58, 2,128,269.66 and 863,161.08 is: 1,191,162.14
Step by Step Solution
- Step 1: Write the proportion equation
1,542,224.58 : 2,128,269.66 = 863,161.08 : x - Step 2: Convert to fraction form
1,542,224.58/2,128,269.66 = 863,161.08/x - Step 3: Cross multiply
1,542,224.58x = 2,128,269.66 × 863,161.08 - Step 4: Simplify right side
1,542,224.58x = 1,837,039,538,256.83 - Step 5: Solve for x
x = 1,837,039,538,256.83/1,542,224.58 - Step 6: Final answer
x = 1,191,162.14
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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.