Finding the Fourth Proportional to 7,184,276.09, 9,914,160.47 and 3,921,114.21
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Solution
The fourth proportional to 7,184,276.09, 9,914,160.47 and 3,921,114.21 is: 5,411,060.91
Step by Step Solution
- Step 1: Write the proportion equation
7,184,276.09 : 9,914,160.47 = 3,921,114.21 : x - Step 2: Convert to fraction form
7,184,276.09/9,914,160.47 = 3,921,114.21/x - Step 3: Cross multiply
7,184,276.09x = 9,914,160.47 × 3,921,114.21 - Step 4: Simplify right side
7,184,276.09x = 38,874,555,479,531.70 - Step 5: Solve for x
x = 38,874,555,479,531.70/7,184,276.09 - Step 6: Final answer
x = 5,411,060.91
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1.5x scale
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.