Finding the Fourth Proportional to 4,060,628.20, 6,091,318.14 and 1,328,191.12
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Solution
The fourth proportional to 4,060,628.20, 6,091,318.14 and 1,328,191.12 is: 1,992,409.61
Step by Step Solution
- Step 1: Write the proportion equation
4,060,628.20 : 6,091,318.14 = 1,328,191.12 : x - Step 2: Convert to fraction form
4,060,628.20/6,091,318.14 = 1,328,191.12/x - Step 3: Cross multiply
4,060,628.20x = 6,091,318.14 × 1,328,191.12 - Step 4: Simplify right side
4,060,628.20x = 8,090,434,662,642.92 - Step 5: Solve for x
x = 8,090,434,662,642.92/4,060,628.20 - Step 6: Final answer
x = 1,992,409.61
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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.