Finding the Fourth Proportional to 7,782,911.60, 11,673,170.27 and 2,595,612.03
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Solution
The fourth proportional to 7,782,911.60, 11,673,170.27 and 2,595,612.03 is: 3,893,018.80
Step by Step Solution
- Step 1: Write the proportion equation
7,782,911.60 : 11,673,170.27 = 2,595,612.03 : x - Step 2: Convert to fraction form
7,782,911.60/11,673,170.27 = 2,595,612.03/x - Step 3: Cross multiply
7,782,911.60x = 11,673,170.27 × 2,595,612.03 - Step 4: Simplify right side
7,782,911.60x = 30,299,021,174,561.32 - Step 5: Solve for x
x = 30,299,021,174,561.32/7,782,911.60 - Step 6: Final answer
x = 3,893,018.80
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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.