Finding the Fourth Proportional to 6,421,945.02, 9,634,523.76 and 4,532,377.02
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Solution
The fourth proportional to 6,421,945.02, 9,634,523.76 and 4,532,377.02 is: 6,799,699.15
Step by Step Solution
- Step 1: Write the proportion equation
6,421,945.02 : 9,634,523.76 = 4,532,377.02 : x - Step 2: Convert to fraction form
6,421,945.02/9,634,523.76 = 4,532,377.02/x - Step 3: Cross multiply
6,421,945.02x = 9,634,523.76 × 4,532,377.02 - Step 4: Simplify right side
6,421,945.02x = 43,667,294,088,467.99 - Step 5: Solve for x
x = 43,667,294,088,467.99/6,421,945.02 - Step 6: Final answer
x = 6,799,699.15
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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.