Finding the Fourth Proportional to 4,653,643.44, 6,980,467.19 and 1,459,018.70
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Solution
The fourth proportional to 4,653,643.44, 6,980,467.19 and 1,459,018.70 is: 2,188,528.69
Step by Step Solution
- Step 1: Write the proportion equation
4,653,643.44 : 6,980,467.19 = 1,459,018.70 : x - Step 2: Convert to fraction form
4,653,643.44/6,980,467.19 = 1,459,018.70/x - Step 3: Cross multiply
4,653,643.44x = 6,980,467.19 × 1,459,018.70 - Step 4: Simplify right side
4,653,643.44x = 10,184,632,164,946.45 - Step 5: Solve for x
x = 10,184,632,164,946.45/4,653,643.44 - Step 6: Final answer
x = 2,188,528.69
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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.