Finding the Fourth Proportional to 2,777,814.21, 4,167,120.60 and 858,875.07
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Solution
The fourth proportional to 2,777,814.21, 4,167,120.60 and 858,875.07 is: 1,288,436.06
Step by Step Solution
- Step 1: Write the proportion equation
2,777,814.21 : 4,167,120.60 = 858,875.07 : x - Step 2: Convert to fraction form
2,777,814.21/4,167,120.60 = 858,875.07/x - Step 3: Cross multiply
2,777,814.21x = 4,167,120.60 × 858,875.07 - Step 4: Simplify right side
2,777,814.21x = 3,579,035,997,023.44 - Step 5: Solve for x
x = 3,579,035,997,023.44/2,777,814.21 - Step 6: Final answer
x = 1,288,436.06
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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.