Finding the Fourth Proportional to 6,392,812.40, 9,594,661.80 and 2,609,010.80
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Solution
The fourth proportional to 6,392,812.40, 9,594,661.80 and 2,609,010.80 is: 3,915,737.66
Step by Step Solution
- Step 1: Write the proportion equation
6,392,812.40 : 9,594,661.80 = 2,609,010.80 : x - Step 2: Convert to fraction form
6,392,812.40/9,594,661.80 = 2,609,010.80/x - Step 3: Cross multiply
6,392,812.40x = 9,594,661.80 × 2,609,010.80 - Step 4: Simplify right side
6,392,812.40x = 25,032,576,258,547.44 - Step 5: Solve for x
x = 25,032,576,258,547.44/6,392,812.40 - Step 6: Final answer
x = 3,915,737.66
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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.