Finding the Fourth Proportional to 3,465,925.74, 4,782,609.50 and 1,916,941.28
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Solution
The fourth proportional to 3,465,925.74, 4,782,609.50 and 1,916,941.28 is: 2,645,175.41
Step by Step Solution
- Step 1: Write the proportion equation
3,465,925.74 : 4,782,609.50 = 1,916,941.28 : x - Step 2: Convert to fraction form
3,465,925.74/4,782,609.50 = 1,916,941.28/x - Step 3: Cross multiply
3,465,925.74x = 4,782,609.50 × 1,916,941.28 - Step 4: Simplify right side
3,465,925.74x = 9,167,981,543,172.41 - Step 5: Solve for x
x = 9,167,981,543,172.41/3,465,925.74 - Step 6: Final answer
x = 2,645,175.41
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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.