Finding the Fourth Proportional to 7,588,807.60, 11,379,274.80 and 2,794,028.80
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Solution
The fourth proportional to 7,588,807.60, 11,379,274.80 and 2,794,028.80 is: 4,189,593.83
Step by Step Solution
- Step 1: Write the proportion equation
7,588,807.60 : 11,379,274.80 = 2,794,028.80 : x - Step 2: Convert to fraction form
7,588,807.60/11,379,274.80 = 2,794,028.80/x - Step 3: Cross multiply
7,588,807.60x = 11,379,274.80 × 2,794,028.80 - Step 4: Simplify right side
7,588,807.60x = 31,794,021,514,314.24 - Step 5: Solve for x
x = 31,794,021,514,314.24/7,588,807.60 - Step 6: Final answer
x = 4,189,593.83
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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.