Finding the Fourth Proportional to 3,750,866.12, 5,620,148.26 and 1,590,164.80
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Solution
The fourth proportional to 3,750,866.12, 5,620,148.26 and 1,590,164.80 is: 2,382,639.54
Step by Step Solution
- Step 1: Write the proportion equation
3,750,866.12 : 5,620,148.26 = 1,590,164.80 : x - Step 2: Convert to fraction form
3,750,866.12/5,620,148.26 = 1,590,164.80/x - Step 3: Cross multiply
3,750,866.12x = 5,620,148.26 × 1,590,164.80 - Step 4: Simplify right side
3,750,866.12x = 8,936,961,933,833.25 - Step 5: Solve for x
x = 8,936,961,933,833.25/3,750,866.12 - Step 6: Final answer
x = 2,382,639.54
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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.