Finding the Fourth Proportional to 3,143,612.58, 4,717,248.64 and 1,321,845.84
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Solution
The fourth proportional to 3,143,612.58, 4,717,248.64 and 1,321,845.84 is: 1,983,538.15
Step by Step Solution
- Step 1: Write the proportion equation
3,143,612.58 : 4,717,248.64 = 1,321,845.84 : x - Step 2: Convert to fraction form
3,143,612.58/4,717,248.64 = 1,321,845.84/x - Step 3: Cross multiply
3,143,612.58x = 4,717,248.64 × 1,321,845.84 - Step 4: Simplify right side
3,143,612.58x = 6,235,475,491,029.66 - Step 5: Solve for x
x = 6,235,475,491,029.66/3,143,612.58 - Step 6: Final answer
x = 1,983,538.15
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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.