Finding the Fourth Proportional to 2,018,706.99, 2,785,704.62 and 1,147,420.57
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Solution
The fourth proportional to 2,018,706.99, 2,785,704.62 and 1,147,420.57 is: 1,583,377.27
Step by Step Solution
- Step 1: Write the proportion equation
2,018,706.99 : 2,785,704.62 = 1,147,420.57 : x - Step 2: Convert to fraction form
2,018,706.99/2,785,704.62 = 1,147,420.57/x - Step 3: Cross multiply
2,018,706.99x = 2,785,704.62 × 1,147,420.57 - Step 4: Simplify right side
2,018,706.99x = 3,196,374,775,453.87 - Step 5: Solve for x
x = 3,196,374,775,453.87/2,018,706.99 - Step 6: Final answer
x = 1,583,377.27
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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.