Finding the Fourth Proportional to 2,380,964.31, 3,285,754.88 and 1,293,257.16
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Solution
The fourth proportional to 2,380,964.31, 3,285,754.88 and 1,293,257.16 is: 1,784,707.99
Step by Step Solution
- Step 1: Write the proportion equation
2,380,964.31 : 3,285,754.88 = 1,293,257.16 : x - Step 2: Convert to fraction form
2,380,964.31/3,285,754.88 = 1,293,257.16/x - Step 3: Cross multiply
2,380,964.31x = 3,285,754.88 × 1,293,257.16 - Step 4: Simplify right side
2,380,964.31x = 4,249,326,018,098.66 - Step 5: Solve for x
x = 4,249,326,018,098.66/2,380,964.31 - Step 6: Final answer
x = 1,784,707.99
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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.