Finding the Fourth Proportional to 2,850,894.63, 3,934,239.26 and 1,561,706.73
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Solution
The fourth proportional to 2,850,894.63, 3,934,239.26 and 1,561,706.73 is: 2,155,157.84
Step by Step Solution
- Step 1: Write the proportion equation
2,850,894.63 : 3,934,239.26 = 1,561,706.73 : x - Step 2: Convert to fraction form
2,850,894.63/3,934,239.26 = 1,561,706.73/x - Step 3: Cross multiply
2,850,894.63x = 3,934,239.26 × 1,561,706.73 - Step 4: Simplify right side
2,850,894.63x = 6,144,127,921,963.69 - Step 5: Solve for x
x = 6,144,127,921,963.69/2,850,894.63 - Step 6: Final answer
x = 2,155,157.84
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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.