Finding the Fourth Proportional to 1,517,913.49, 2,094,518.21 and 974,784.97
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Solution
The fourth proportional to 1,517,913.49, 2,094,518.21 and 974,784.97 is: 1,345,073.27
Step by Step Solution
- Step 1: Write the proportion equation
1,517,913.49 : 2,094,518.21 = 974,784.97 : x - Step 2: Convert to fraction form
1,517,913.49/2,094,518.21 = 974,784.97/x - Step 3: Cross multiply
1,517,913.49x = 2,094,518.21 × 974,784.97 - Step 4: Simplify right side
1,517,913.49x = 2,041,704,865,625.38 - Step 5: Solve for x
x = 2,041,704,865,625.38/1,517,913.49 - Step 6: Final answer
x = 1,345,073.27
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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.