Finding the Fourth Proportional to 2,127,428.75, 2,935,851.68 and 1,160,562.94
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Solution
The fourth proportional to 2,127,428.75, 2,935,851.68 and 1,160,562.94 is: 1,601,576.86
Step by Step Solution
- Step 1: Write the proportion equation
2,127,428.75 : 2,935,851.68 = 1,160,562.94 : x - Step 2: Convert to fraction form
2,127,428.75/2,935,851.68 = 1,160,562.94/x - Step 3: Cross multiply
2,127,428.75x = 2,935,851.68 × 1,160,562.94 - Step 4: Simplify right side
2,127,428.75x = 3,407,240,657,144.74 - Step 5: Solve for x
x = 3,407,240,657,144.74/2,127,428.75 - Step 6: Final answer
x = 1,601,576.86
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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.