Finding the Fourth Proportional to 2,808,122.16, 4,212,817.44 and 889,149.95
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Solution
The fourth proportional to 2,808,122.16, 4,212,817.44 and 889,149.95 is: 1,333,925.73
Step by Step Solution
- Step 1: Write the proportion equation
2,808,122.16 : 4,212,817.44 = 889,149.95 : x - Step 2: Convert to fraction form
2,808,122.16/4,212,817.44 = 889,149.95/x - Step 3: Cross multiply
2,808,122.16x = 4,212,817.44 × 889,149.95 - Step 4: Simplify right side
2,808,122.16x = 3,745,826,416,135.13 - Step 5: Solve for x
x = 3,745,826,416,135.13/2,808,122.16 - Step 6: Final answer
x = 1,333,925.73
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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.