Finding the Fourth Proportional to 6,424,021.63, 8,865,475.23 and 3,523,682.98
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Solution
The fourth proportional to 6,424,021.63, 8,865,475.23 and 3,523,682.98 is: 4,862,860.99
Step by Step Solution
- Step 1: Write the proportion equation
6,424,021.63 : 8,865,475.23 = 3,523,682.98 : x - Step 2: Convert to fraction form
6,424,021.63/8,865,475.23 = 3,523,682.98/x - Step 3: Cross multiply
6,424,021.63x = 8,865,475.23 × 3,523,682.98 - Step 4: Simplify right side
6,424,021.63x = 31,239,124,201,858.25 - Step 5: Solve for x
x = 31,239,124,201,858.25/6,424,021.63 - Step 6: Final answer
x = 4,862,860.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.