Finding the Fourth Proportional to 3,725,349.12, 5,137,153.98 and 3,113,273.43
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Solution
The fourth proportional to 3,725,349.12, 5,137,153.98 and 3,113,273.43 is: 4,293,118.44
Step by Step Solution
- Step 1: Write the proportion equation
3,725,349.12 : 5,137,153.98 = 3,113,273.43 : x - Step 2: Convert to fraction form
3,725,349.12/5,137,153.98 = 3,113,273.43/x - Step 3: Cross multiply
3,725,349.12x = 5,137,153.98 × 3,113,273.43 - Step 4: Simplify right side
3,725,349.12x = 15,993,364,991,752.75 - Step 5: Solve for x
x = 15,993,364,991,752.75/3,725,349.12 - Step 6: Final answer
x = 4,293,118.44
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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.