Finding the Fourth Proportional to 2,258,821.81, 3,387,514.21 and 742,155.17
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Solution
The fourth proportional to 2,258,821.81, 3,387,514.21 and 742,155.17 is: 1,112,996.68
Step by Step Solution
- Step 1: Write the proportion equation
2,258,821.81 : 3,387,514.21 = 742,155.17 : x - Step 2: Convert to fraction form
2,258,821.81/3,387,514.21 = 742,155.17/x - Step 3: Cross multiply
2,258,821.81x = 3,387,514.21 × 742,155.17 - Step 4: Simplify right side
2,258,821.81x = 2,514,061,184,399.97 - Step 5: Solve for x
x = 2,514,061,184,399.97/2,258,821.81 - Step 6: Final answer
x = 1,112,996.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.