Finding the Fourth Proportional to 1,543,193.06, 2,130,165.42 and 1,256,214.92
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Solution
The fourth proportional to 1,543,193.06, 2,130,165.42 and 1,256,214.92 is: 1,734,031.63
Step by Step Solution
- Step 1: Write the proportion equation
1,543,193.06 : 2,130,165.42 = 1,256,214.92 : x - Step 2: Convert to fraction form
1,543,193.06/2,130,165.42 = 1,256,214.92/x - Step 3: Cross multiply
1,543,193.06x = 2,130,165.42 × 1,256,214.92 - Step 4: Simplify right side
1,543,193.06x = 2,675,945,582,672.07 - Step 5: Solve for x
x = 2,675,945,582,672.07/1,543,193.06 - Step 6: Final answer
x = 1,734,031.63
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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.