Finding the Fourth Proportional to 2,808,986.02, 3,876,373.11 and 1,519,798.12
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Solution
The fourth proportional to 2,808,986.02, 3,876,373.11 and 1,519,798.12 is: 2,097,306.47
Step by Step Solution
- Step 1: Write the proportion equation
2,808,986.02 : 3,876,373.11 = 1,519,798.12 : x - Step 2: Convert to fraction form
2,808,986.02/3,876,373.11 = 1,519,798.12/x - Step 3: Cross multiply
2,808,986.02x = 3,876,373.11 × 1,519,798.12 - Step 4: Simplify right side
2,808,986.02x = 5,891,304,564,996.55 - Step 5: Solve for x
x = 5,891,304,564,996.55/2,808,986.02 - Step 6: Final answer
x = 2,097,306.47
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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.