Finding the Fourth Proportional to 4,286,510.72, 6,430,886.48 and 2,487,664.96
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Solution
The fourth proportional to 4,286,510.72, 6,430,886.48 and 2,487,664.96 is: 3,732,147.66
Step by Step Solution
- Step 1: Write the proportion equation
4,286,510.72 : 6,430,886.48 = 2,487,664.96 : x - Step 2: Convert to fraction form
4,286,510.72/6,430,886.48 = 2,487,664.96/x - Step 3: Cross multiply
4,286,510.72x = 6,430,886.48 × 2,487,664.96 - Step 4: Simplify right side
4,286,510.72x = 15,997,890,958,033.74 - Step 5: Solve for x
x = 15,997,890,958,033.74/4,286,510.72 - Step 6: Final answer
x = 3,732,147.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.