Finding the Fourth Proportional to 4,892,541.80, 7,338,812.70 and 4,845,302.60
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Solution
The fourth proportional to 4,892,541.80, 7,338,812.70 and 4,845,302.60 is: 7,267,953.90
Step by Step Solution
- Step 1: Write the proportion equation
4,892,541.80 : 7,338,812.70 = 4,845,302.60 : x - Step 2: Convert to fraction form
4,892,541.80/7,338,812.70 = 4,845,302.60/x - Step 3: Cross multiply
4,892,541.80x = 7,338,812.70 × 4,845,302.60 - Step 4: Simplify right side
4,892,541.80x = 35,558,768,256,223.02 - Step 5: Solve for x
x = 35,558,768,256,223.02/4,892,541.80 - Step 6: Final answer
x = 7,267,953.90
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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.