Finding the Fourth Proportional to 7,174,510.74, 10,762,291.05 and 2,914,759.62
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Solution
The fourth proportional to 7,174,510.74, 10,762,291.05 and 2,914,759.62 is: 4,372,352.70
Step by Step Solution
- Step 1: Write the proportion equation
7,174,510.74 : 10,762,291.05 = 2,914,759.62 : x - Step 2: Convert to fraction form
7,174,510.74/10,762,291.05 = 2,914,759.62/x - Step 3: Cross multiply
7,174,510.74x = 10,762,291.05 × 2,914,759.62 - Step 4: Simplify right side
7,174,510.74x = 31,369,491,371,227.41 - Step 5: Solve for x
x = 31,369,491,371,227.41/7,174,510.74 - Step 6: Final answer
x = 4,372,352.70
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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.