Finding the Fourth Proportional to 6,747,899.40, 10,121,840.99 and 2,198,941.02
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Solution
The fourth proportional to 6,747,899.40, 10,121,840.99 and 2,198,941.02 is: 3,298,408.89
Step by Step Solution
- Step 1: Write the proportion equation
6,747,899.40 : 10,121,840.99 = 2,198,941.02 : x - Step 2: Convert to fraction form
6,747,899.40/10,121,840.99 = 2,198,941.02/x - Step 3: Cross multiply
6,747,899.40x = 10,121,840.99 × 2,198,941.02 - Step 4: Simplify right side
6,747,899.40x = 22,257,331,350,828.41 - Step 5: Solve for x
x = 22,257,331,350,828.41/6,747,899.40 - Step 6: Final answer
x = 3,298,408.89
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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.