Finding the Fourth Proportional to 7,289,941.98, 10,934,838.04 and 4,213,975.60
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Solution
The fourth proportional to 7,289,941.98, 10,934,838.04 and 4,213,975.60 is: 6,320,920.09
Step by Step Solution
- Step 1: Write the proportion equation
7,289,941.98 : 10,934,838.04 = 4,213,975.60 : x - Step 2: Convert to fraction form
7,289,941.98/10,934,838.04 = 4,213,975.60/x - Step 3: Cross multiply
7,289,941.98x = 10,934,838.04 × 4,213,975.60 - Step 4: Simplify right side
7,289,941.98x = 46,079,140,690,511.81 - Step 5: Solve for x
x = 46,079,140,690,511.81/7,289,941.98 - Step 6: Final answer
x = 6,320,920.09
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1.5x scale
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.