Finding the Fourth Proportional to 1,825,197.47, 2,735,865.55 and 687,467.42
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Solution
The fourth proportional to 1,825,197.47, 2,735,865.55 and 687,467.42 is: 1,030,473.94
Step by Step Solution
- Step 1: Write the proportion equation
1,825,197.47 : 2,735,865.55 = 687,467.42 : x - Step 2: Convert to fraction form
1,825,197.47/2,735,865.55 = 687,467.42/x - Step 3: Cross multiply
1,825,197.47x = 2,735,865.55 × 687,467.42 - Step 4: Simplify right side
1,825,197.47x = 1,880,818,431,125.38 - Step 5: Solve for x
x = 1,880,818,431,125.38/1,825,197.47 - Step 6: Final answer
x = 1,030,473.94
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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.