Finding the Fourth Proportional to 2,858,717.68, 3,945,038.16 and 1,569,641.68
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Solution
The fourth proportional to 2,858,717.68, 3,945,038.16 and 1,569,641.68 is: 2,166,109.78
Step by Step Solution
- Step 1: Write the proportion equation
2,858,717.68 : 3,945,038.16 = 1,569,641.68 : x - Step 2: Convert to fraction form
2,858,717.68/3,945,038.16 = 1,569,641.68/x - Step 3: Cross multiply
2,858,717.68x = 3,945,038.16 × 1,569,641.68 - Step 4: Simplify right side
2,858,717.68x = 6,192,296,325,126.51 - Step 5: Solve for x
x = 6,192,296,325,126.51/2,858,717.68 - Step 6: Final answer
x = 2,166,109.78
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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.