Finding the Fourth Proportional to 4,590,622.26, 6,886,318.82 and 1,395,776.12
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Solution
The fourth proportional to 4,590,622.26, 6,886,318.82 and 1,395,776.12 is: 2,093,781.37
Step by Step Solution
- Step 1: Write the proportion equation
4,590,622.26 : 6,886,318.82 = 1,395,776.12 : x - Step 2: Convert to fraction form
4,590,622.26/6,886,318.82 = 1,395,776.12/x - Step 3: Cross multiply
4,590,622.26x = 6,886,318.82 × 1,395,776.12 - Step 4: Simplify right side
4,590,622.26x = 9,611,759,363,662.58 - Step 5: Solve for x
x = 9,611,759,363,662.58/4,590,622.26 - Step 6: Final answer
x = 2,093,781.37
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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.