Finding the Fourth Proportional to 2,916,000.18, 4,024,082.78 and 1,626,840.84
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Solution
The fourth proportional to 2,916,000.18, 4,024,082.78 and 1,626,840.84 is: 2,245,041.76
Step by Step Solution
- Step 1: Write the proportion equation
2,916,000.18 : 4,024,082.78 = 1,626,840.84 : x - Step 2: Convert to fraction form
2,916,000.18/4,024,082.78 = 1,626,840.84/x - Step 3: Cross multiply
2,916,000.18x = 4,024,082.78 × 1,626,840.84 - Step 4: Simplify right side
2,916,000.18x = 6,546,542,181,790.12 - Step 5: Solve for x
x = 6,546,542,181,790.12/2,916,000.18 - Step 6: Final answer
x = 2,245,041.76
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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.