Finding the Fourth Proportional to 4,302,039.42, 6,453,237.21 and 1,269,405.32
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Solution
The fourth proportional to 4,302,039.42, 6,453,237.21 and 1,269,405.32 is: 1,904,160.52
Step by Step Solution
- Step 1: Write the proportion equation
4,302,039.42 : 6,453,237.21 = 1,269,405.32 : x - Step 2: Convert to fraction form
4,302,039.42/6,453,237.21 = 1,269,405.32/x - Step 3: Cross multiply
4,302,039.42x = 6,453,237.21 × 1,269,405.32 - Step 4: Simplify right side
4,302,039.42x = 8,191,773,608,569.50 - Step 5: Solve for x
x = 8,191,773,608,569.50/4,302,039.42 - Step 6: Final answer
x = 1,904,160.52
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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.