Finding the Fourth Proportional to 3,670,394.60, 5,505,591.90 and 975,135.80
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Solution
The fourth proportional to 3,670,394.60, 5,505,591.90 and 975,135.80 is: 1,462,703.70
Step by Step Solution
- Step 1: Write the proportion equation
3,670,394.60 : 5,505,591.90 = 975,135.80 : x - Step 2: Convert to fraction form
3,670,394.60/5,505,591.90 = 975,135.80/x - Step 3: Cross multiply
3,670,394.60x = 5,505,591.90 × 975,135.80 - Step 4: Simplify right side
3,670,394.60x = 5,368,699,761,880.02 - Step 5: Solve for x
x = 5,368,699,761,880.02/3,670,394.60 - Step 6: Final answer
x = 1,462,703.70
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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.