Finding the Fourth Proportional to 2,135,284.85, 2,946,605.15 and 1,276,318.73
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Solution
The fourth proportional to 2,135,284.85, 2,946,605.15 and 1,276,318.73 is: 1,761,267.28
Step by Step Solution
- Step 1: Write the proportion equation
2,135,284.85 : 2,946,605.15 = 1,276,318.73 : x - Step 2: Convert to fraction form
2,135,284.85/2,946,605.15 = 1,276,318.73/x - Step 3: Cross multiply
2,135,284.85x = 2,946,605.15 × 1,276,318.73 - Step 4: Simplify right side
2,135,284.85x = 3,760,807,336,477.87 - Step 5: Solve for x
x = 3,760,807,336,477.87/2,135,284.85 - Step 6: Final answer
x = 1,761,267.28
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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.