Finding the Fourth Proportional to 2,114,027.20, 2,917,342.74 and 1,147,132.90
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Solution
The fourth proportional to 2,114,027.20, 2,917,342.74 and 1,147,132.90 is: 1,583,035.37
Step by Step Solution
- Step 1: Write the proportion equation
2,114,027.20 : 2,917,342.74 = 1,147,132.90 : x - Step 2: Convert to fraction form
2,114,027.20/2,917,342.74 = 1,147,132.90/x - Step 3: Cross multiply
2,114,027.20x = 2,917,342.74 × 1,147,132.90 - Step 4: Simplify right side
2,114,027.20x = 3,346,579,837,630.15 - Step 5: Solve for x
x = 3,346,579,837,630.15/2,114,027.20 - Step 6: Final answer
x = 1,583,035.37
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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.