Finding the Fourth Proportional to 1,368,592.14, 2,052,756.72 and 421,708.62
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Solution
The fourth proportional to 1,368,592.14, 2,052,756.72 and 421,708.62 is: 632,522.41
Step by Step Solution
- Step 1: Write the proportion equation
1,368,592.14 : 2,052,756.72 = 421,708.62 : x - Step 2: Convert to fraction form
1,368,592.14/2,052,756.72 = 421,708.62/x - Step 3: Cross multiply
1,368,592.14x = 2,052,756.72 × 421,708.62 - Step 4: Simplify right side
1,368,592.14x = 865,665,203,586.93 - Step 5: Solve for x
x = 865,665,203,586.93/1,368,592.14 - Step 6: Final answer
x = 632,522.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.