Finding the Fourth Proportional to 3,670,493.80, 5,505,740.70 and 974,813.80
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Solution
The fourth proportional to 3,670,493.80, 5,505,740.70 and 974,813.80 is: 1,462,220.70
Step by Step Solution
- Step 1: Write the proportion equation
3,670,493.80 : 5,505,740.70 = 974,813.80 : x - Step 2: Convert to fraction form
3,670,493.80/5,505,740.70 = 974,813.80/x - Step 3: Cross multiply
3,670,493.80x = 5,505,740.70 × 974,813.80 - Step 4: Simplify right side
3,670,493.80x = 5,367,072,013,581.66 - Step 5: Solve for x
x = 5,367,072,013,581.66/3,670,493.80 - Step 6: Final answer
x = 1,462,220.70
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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.