Finding the Fourth Proportional to 2,439,615.93, 3,366,689.74 and 1,351,905.65
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Solution
The fourth proportional to 2,439,615.93, 3,366,689.74 and 1,351,905.65 is: 1,865,640.74
Step by Step Solution
- Step 1: Write the proportion equation
2,439,615.93 : 3,366,689.74 = 1,351,905.65 : x - Step 2: Convert to fraction form
2,439,615.93/3,366,689.74 = 1,351,905.65/x - Step 3: Cross multiply
2,439,615.93x = 3,366,689.74 × 1,351,905.65 - Step 4: Simplify right side
2,439,615.93x = 4,551,446,873,714.90 - Step 5: Solve for x
x = 4,551,446,873,714.90/2,439,615.93 - Step 6: Final answer
x = 1,865,640.74
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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.