Finding the Fourth Proportional to 2,257,260.94, 3,115,109.91 and 1,238,702.14
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Solution
The fourth proportional to 2,257,260.94, 3,115,109.91 and 1,238,702.14 is: 1,709,458.24
Step by Step Solution
- Step 1: Write the proportion equation
2,257,260.94 : 3,115,109.91 = 1,238,702.14 : x - Step 2: Convert to fraction form
2,257,260.94/3,115,109.91 = 1,238,702.14/x - Step 3: Cross multiply
2,257,260.94x = 3,115,109.91 × 1,238,702.14 - Step 4: Simplify right side
2,257,260.94x = 3,858,693,311,852.21 - Step 5: Solve for x
x = 3,858,693,311,852.21/2,257,260.94 - Step 6: Final answer
x = 1,709,458.24
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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.