Finding the Fourth Proportional to 4,974,330.96, 7,461,496.36 and 1,380,098.48
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Solution
The fourth proportional to 4,974,330.96, 7,461,496.36 and 1,380,098.48 is: 2,070,147.70
Step by Step Solution
- Step 1: Write the proportion equation
4,974,330.96 : 7,461,496.36 = 1,380,098.48 : x - Step 2: Convert to fraction form
4,974,330.96/7,461,496.36 = 1,380,098.48/x - Step 3: Cross multiply
4,974,330.96x = 7,461,496.36 × 1,380,098.48 - Step 4: Simplify right side
4,974,330.96x = 10,297,599,784,961.53 - Step 5: Solve for x
x = 10,297,599,784,961.53/4,974,330.96 - Step 6: Final answer
x = 2,070,147.70
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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.