Finding the Fourth Proportional to 2,641,252.12, 3,644,927.70 and 1,434,028.12
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Solution
The fourth proportional to 2,641,252.12, 3,644,927.70 and 1,434,028.12 is: 1,978,958.68
Step by Step Solution
- Step 1: Write the proportion equation
2,641,252.12 : 3,644,927.70 = 1,434,028.12 : x - Step 2: Convert to fraction form
2,641,252.12/3,644,927.70 = 1,434,028.12/x - Step 3: Cross multiply
2,641,252.12x = 3,644,927.70 × 1,434,028.12 - Step 4: Simplify right side
2,641,252.12x = 5,226,928,817,166.93 - Step 5: Solve for x
x = 5,226,928,817,166.93/2,641,252.12 - Step 6: Final answer
x = 1,978,958.68
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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.