Finding the Fourth Proportional to 1,778,861.34, 2,664,944.10 and 879,249.87
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Solution
The fourth proportional to 1,778,861.34, 2,664,944.10 and 879,249.87 is: 1,317,220.01
Step by Step Solution
- Step 1: Write the proportion equation
1,778,861.34 : 2,664,944.10 = 879,249.87 : x - Step 2: Convert to fraction form
1,778,861.34/2,664,944.10 = 879,249.87/x - Step 3: Cross multiply
1,778,861.34x = 2,664,944.10 × 879,249.87 - Step 4: Simplify right side
1,778,861.34x = 2,343,151,753,482.27 - Step 5: Solve for x
x = 2,343,151,753,482.27/1,778,861.34 - Step 6: Final answer
x = 1,317,220.01
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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.