Finding the Fourth Proportional to 5,183,877.12, 7,779,284.02 and 2,151,242.88
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Solution
The fourth proportional to 5,183,877.12, 7,779,284.02 and 2,151,242.88 is: 3,228,303.63
Step by Step Solution
- Step 1: Write the proportion equation
5,183,877.12 : 7,779,284.02 = 2,151,242.88 : x - Step 2: Convert to fraction form
5,183,877.12/7,779,284.02 = 2,151,242.88/x - Step 3: Cross multiply
5,183,877.12x = 7,779,284.02 × 2,151,242.88 - Step 4: Simplify right side
5,183,877.12x = 16,735,129,335,524.93 - Step 5: Solve for x
x = 16,735,129,335,524.93/5,183,877.12 - Step 6: Final answer
x = 3,228,303.63
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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.