Finding the Fourth Proportional to 3,165,454.56, 4,368,331.26 and 1,715,149.62
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Solution
The fourth proportional to 3,165,454.56, 4,368,331.26 and 1,715,149.62 is: 2,366,908.63
Step by Step Solution
- Step 1: Write the proportion equation
3,165,454.56 : 4,368,331.26 = 1,715,149.62 : x - Step 2: Convert to fraction form
3,165,454.56/4,368,331.26 = 1,715,149.62/x - Step 3: Cross multiply
3,165,454.56x = 4,368,331.26 × 1,715,149.62 - Step 4: Simplify right side
3,165,454.56x = 7,492,341,700,623.12 - Step 5: Solve for x
x = 7,492,341,700,623.12/3,165,454.56 - Step 6: Final answer
x = 2,366,908.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.