Finding the Fourth Proportional to 7,486,000.80, 11,232,889.20 and 3,496,912.80
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Solution
The fourth proportional to 7,486,000.80, 11,232,889.20 and 3,496,912.80 is: 5,247,185.39
Step by Step Solution
- Step 1: Write the proportion equation
7,486,000.80 : 11,232,889.20 = 3,496,912.80 : x - Step 2: Convert to fraction form
7,486,000.80/11,232,889.20 = 3,496,912.80/x - Step 3: Cross multiply
7,486,000.80x = 11,232,889.20 × 3,496,912.80 - Step 4: Simplify right side
7,486,000.80x = 39,280,434,024,461.76 - Step 5: Solve for x
x = 39,280,434,024,461.76/7,486,000.80 - Step 6: Final answer
x = 5,247,185.39
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1.5x scale
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.