Finding the Fourth Proportional to 2,125,981.62, 2,933,815.14 and 1,159,120.26
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Solution
The fourth proportional to 2,125,981.62, 2,933,815.14 and 1,159,120.26 is: 1,599,564.43
Step by Step Solution
- Step 1: Write the proportion equation
2,125,981.62 : 2,933,815.14 = 1,159,120.26 : x - Step 2: Convert to fraction form
2,125,981.62/2,933,815.14 = 1,159,120.26/x - Step 3: Cross multiply
2,125,981.62x = 2,933,815.14 × 1,159,120.26 - Step 4: Simplify right side
2,125,981.62x = 3,400,644,567,868.74 - Step 5: Solve for x
x = 3,400,644,567,868.74/2,125,981.62 - Step 6: Final answer
x = 1,599,564.43
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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.