Finding the Fourth Proportional to 1,790,474.91, 2,473,074.63 and 1,299,660.27
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Solution
The fourth proportional to 1,790,474.91, 2,473,074.63 and 1,299,660.27 is: 1,795,142.07
Step by Step Solution
- Step 1: Write the proportion equation
1,790,474.91 : 2,473,074.63 = 1,299,660.27 : x - Step 2: Convert to fraction form
1,790,474.91/2,473,074.63 = 1,299,660.27/x - Step 3: Cross multiply
1,790,474.91x = 2,473,074.63 × 1,299,660.27 - Step 4: Simplify right side
1,790,474.91x = 3,214,156,841,355.95 - Step 5: Solve for x
x = 3,214,156,841,355.95/1,790,474.91 - Step 6: Final answer
x = 1,795,142.07
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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.