Finding the Fourth Proportional to 1,542,166.98, 2,128,288.41 and 863,322.18
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Solution
The fourth proportional to 1,542,166.98, 2,128,288.41 and 863,322.18 is: 1,191,439.46
Step by Step Solution
- Step 1: Write the proportion equation
1,542,166.98 : 2,128,288.41 = 863,322.18 : x - Step 2: Convert to fraction form
1,542,166.98/2,128,288.41 = 863,322.18/x - Step 3: Cross multiply
1,542,166.98x = 2,128,288.41 × 863,322.18 - Step 4: Simplify right side
1,542,166.98x = 1,837,398,589,789.93 - Step 5: Solve for x
x = 1,837,398,589,789.93/1,542,166.98 - Step 6: Final answer
x = 1,191,439.46
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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.