Finding the Fourth Proportional to 2,272,930.68, 3,136,661.52 and 1,240,446.36
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Solution
The fourth proportional to 2,272,930.68, 3,136,661.52 and 1,240,446.36 is: 1,711,825.35
Step by Step Solution
- Step 1: Write the proportion equation
2,272,930.68 : 3,136,661.52 = 1,240,446.36 : x - Step 2: Convert to fraction form
2,272,930.68/3,136,661.52 = 1,240,446.36/x - Step 3: Cross multiply
2,272,930.68x = 3,136,661.52 × 1,240,446.36 - Step 4: Simplify right side
2,272,930.68x = 3,890,860,365,036.07 - Step 5: Solve for x
x = 3,890,860,365,036.07/2,272,930.68 - Step 6: Final answer
x = 1,711,825.35
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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.