Finding the Fourth Proportional to 3,165,505.11, 4,748,215.14 and 769,342.86
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Solution
The fourth proportional to 3,165,505.11, 4,748,215.14 and 769,342.86 is: 1,154,003.95
Step by Step Solution
- Step 1: Write the proportion equation
3,165,505.11 : 4,748,215.14 = 769,342.86 : x - Step 2: Convert to fraction form
3,165,505.11/4,748,215.14 = 769,342.86/x - Step 3: Cross multiply
3,165,505.11x = 4,748,215.14 × 769,342.86 - Step 4: Simplify right side
3,165,505.11x = 3,653,005,415,702.90 - Step 5: Solve for x
x = 3,653,005,415,702.90/3,165,505.11 - Step 6: Final answer
x = 1,154,003.95
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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.