Finding the Fourth Proportional to 1,523,689.68, 2,102,715.42 and 835,424.40
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Solution
The fourth proportional to 1,523,689.68, 2,102,715.42 and 835,424.40 is: 1,152,898.65
Step by Step Solution
- Step 1: Write the proportion equation
1,523,689.68 : 2,102,715.42 = 835,424.40 : x - Step 2: Convert to fraction form
1,523,689.68/2,102,715.42 = 835,424.40/x - Step 3: Cross multiply
1,523,689.68x = 2,102,715.42 × 835,424.40 - Step 4: Simplify right side
1,523,689.68x = 1,756,659,768,124.25 - Step 5: Solve for x
x = 1,756,659,768,124.25/1,523,689.68 - Step 6: Final answer
x = 1,152,898.65
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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.