Finding the Fourth Proportional to 5,612,242.66, 8,415,746.88 and 2,915,842.96
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Solution
The fourth proportional to 5,612,242.66, 8,415,746.88 and 2,915,842.96 is: 4,372,404.72
Step by Step Solution
- Step 1: Write the proportion equation
5,612,242.66 : 8,415,746.88 = 2,915,842.96 : x - Step 2: Convert to fraction form
5,612,242.66/8,415,746.88 = 2,915,842.96/x - Step 3: Cross multiply
5,612,242.66x = 8,415,746.88 × 2,915,842.96 - Step 4: Simplify right side
5,612,242.66x = 24,538,996,293,189.97 - Step 5: Solve for x
x = 24,538,996,293,189.97/5,612,242.66 - Step 6: Final answer
x = 4,372,404.72
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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.