Finding the Fourth Proportional to 5,459,030.78, 8,172,372.08 and 4,045,431.74
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Solution
The fourth proportional to 5,459,030.78, 8,172,372.08 and 4,045,431.74 is: 6,056,161.75
Step by Step Solution
- Step 1: Write the proportion equation
5,459,030.78 : 8,172,372.08 = 4,045,431.74 : x - Step 2: Convert to fraction form
5,459,030.78/8,172,372.08 = 4,045,431.74/x - Step 3: Cross multiply
5,459,030.78x = 8,172,372.08 × 4,045,431.74 - Step 4: Simplify right side
5,459,030.78x = 33,060,773,372,773.54 - Step 5: Solve for x
x = 33,060,773,372,773.54/5,459,030.78 - Step 6: Final answer
x = 6,056,161.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.