Finding the Fourth Proportional to 1,847,089.11, 2,548,309.80 and 1,082,995.05
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Solution
The fourth proportional to 1,847,089.11, 2,548,309.80 and 1,082,995.05 is: 1,494,138.47
Step by Step Solution
- Step 1: Write the proportion equation
1,847,089.11 : 2,548,309.80 = 1,082,995.05 : x - Step 2: Convert to fraction form
1,847,089.11/2,548,309.80 = 1,082,995.05/x - Step 3: Cross multiply
1,847,089.11x = 2,548,309.80 × 1,082,995.05 - Step 4: Simplify right side
1,847,089.11x = 2,759,806,899,266.49 - Step 5: Solve for x
x = 2,759,806,899,266.49/1,847,089.11 - Step 6: Final answer
x = 1,494,138.47
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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.