Finding the Fourth Proportional to 5,242,183.68, 7,863,278.76 and 1,455,666.96
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Solution
The fourth proportional to 5,242,183.68, 7,863,278.76 and 1,455,666.96 is: 2,183,501.34
Step by Step Solution
- Step 1: Write the proportion equation
5,242,183.68 : 7,863,278.76 = 1,455,666.96 : x - Step 2: Convert to fraction form
5,242,183.68/7,863,278.76 = 1,455,666.96/x - Step 3: Cross multiply
5,242,183.68x = 7,863,278.76 × 1,455,666.96 - Step 4: Simplify right side
5,242,183.68x = 11,446,315,088,201.77 - Step 5: Solve for x
x = 11,446,315,088,201.77/5,242,183.68 - Step 6: Final answer
x = 2,183,501.34
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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.