Finding the Fourth Proportional to 2,511,312.08, 3,768,081.60 and 1,431,785.12
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Solution
The fourth proportional to 2,511,312.08, 3,768,081.60 and 1,431,785.12 is: 2,148,312.51
Step by Step Solution
- Step 1: Write the proportion equation
2,511,312.08 : 3,768,081.60 = 1,431,785.12 : x - Step 2: Convert to fraction form
2,511,312.08/3,768,081.60 = 1,431,785.12/x - Step 3: Cross multiply
2,511,312.08x = 3,768,081.60 × 1,431,785.12 - Step 4: Simplify right side
2,511,312.08x = 5,395,083,165,825.79 - Step 5: Solve for x
x = 5,395,083,165,825.79/2,511,312.08 - Step 6: Final answer
x = 2,148,312.51
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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.