Finding the Fourth Proportional to 1,523,772, 2,102,379.84 and 1,200,478.68
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Solution
The fourth proportional to 1,523,772, 2,102,379.84 and 1,200,478.68 is: 1,656,325.34
Step by Step Solution
- Step 1: Write the proportion equation
1,523,772 : 2,102,379.84 = 1,200,478.68 : x - Step 2: Convert to fraction form
1,523,772/2,102,379.84 = 1,200,478.68/x - Step 3: Cross multiply
1,523,772x = 2,102,379.84 × 1,200,478.68 - Step 4: Simplify right side
1,523,772x = 2,523,862,175,181.81 - Step 5: Solve for x
x = 2,523,862,175,181.81/1,523,772 - Step 6: Final answer
x = 1,656,325.34
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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.