Finding the Fourth Proportional to 2,057,585.88, 2,839,437.70 and 1,139,812.28
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Solution
The fourth proportional to 2,057,585.88, 2,839,437.70 and 1,139,812.28 is: 1,572,923.88
Step by Step Solution
- Step 1: Write the proportion equation
2,057,585.88 : 2,839,437.70 = 1,139,812.28 : x - Step 2: Convert to fraction form
2,057,585.88/2,839,437.70 = 1,139,812.28/x - Step 3: Cross multiply
2,057,585.88x = 2,839,437.70 × 1,139,812.28 - Step 4: Simplify right side
2,057,585.88x = 3,236,425,958,754.96 - Step 5: Solve for x
x = 3,236,425,958,754.96/2,057,585.88 - Step 6: Final answer
x = 1,572,923.88
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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.