Finding the Fourth Proportional to 2,586,242.32, 3,569,125.14 and 1,440,322.68
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Solution
The fourth proportional to 2,586,242.32, 3,569,125.14 and 1,440,322.68 is: 1,987,706.97
Step by Step Solution
- Step 1: Write the proportion equation
2,586,242.32 : 3,569,125.14 = 1,440,322.68 : x - Step 2: Convert to fraction form
2,586,242.32/3,569,125.14 = 1,440,322.68/x - Step 3: Cross multiply
2,586,242.32x = 3,569,125.14 × 1,440,322.68 - Step 4: Simplify right side
2,586,242.32x = 5,140,691,886,900.18 - Step 5: Solve for x
x = 5,140,691,886,900.18/2,586,242.32 - Step 6: Final answer
x = 1,987,706.97
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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.