Finding the Fourth Proportional to 1,583,468.12, 2,375,168.96 and 385,397.12
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Solution
The fourth proportional to 1,583,468.12, 2,375,168.96 and 385,397.12 is: 578,087.60
Step by Step Solution
- Step 1: Write the proportion equation
1,583,468.12 : 2,375,168.96 = 385,397.12 : x - Step 2: Convert to fraction form
1,583,468.12/2,375,168.96 = 385,397.12/x - Step 3: Cross multiply
1,583,468.12x = 2,375,168.96 × 385,397.12 - Step 4: Simplify right side
1,583,468.12x = 915,383,283,598.81 - Step 5: Solve for x
x = 915,383,283,598.81/1,583,468.12 - Step 6: Final answer
x = 578,087.60
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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.