Finding the Fourth Proportional to 2,127,245.94, 2,935,618.11 and 1,160,380.53
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Solution
The fourth proportional to 2,127,245.94, 2,935,618.11 and 1,160,380.53 is: 1,601,335.34
Step by Step Solution
- Step 1: Write the proportion equation
2,127,245.94 : 2,935,618.11 = 1,160,380.53 : x - Step 2: Convert to fraction form
2,127,245.94/2,935,618.11 = 1,160,380.53/x - Step 3: Cross multiply
2,127,245.94x = 2,935,618.11 × 1,160,380.53 - Step 4: Simplify right side
2,127,245.94x = 3,406,434,098,359.40 - Step 5: Solve for x
x = 3,406,434,098,359.40/2,127,245.94 - Step 6: Final answer
x = 1,601,335.34
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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.