Finding the Fourth Proportional to 1,542,246.56, 2,128,300 and 863,183.04
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Solution
The fourth proportional to 1,542,246.56, 2,128,300 and 863,183.04 is: 1,191,192.45
Step by Step Solution
- Step 1: Write the proportion equation
1,542,246.56 : 2,128,300 = 863,183.04 : x - Step 2: Convert to fraction form
1,542,246.56/2,128,300 = 863,183.04/x - Step 3: Cross multiply
1,542,246.56x = 2,128,300 × 863,183.04 - Step 4: Simplify right side
1,542,246.56x = 1,837,112,464,032 - Step 5: Solve for x
x = 1,837,112,464,032/1,542,246.56 - Step 6: Final answer
x = 1,191,192.45
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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.