Finding the Fourth Proportional to 3,888,985.68, 5,825,080.44 and 3,793,807.44
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Solution
The fourth proportional to 3,888,985.68, 5,825,080.44 and 3,793,807.44 is: 5,682,518.61
Step by Step Solution
- Step 1: Write the proportion equation
3,888,985.68 : 5,825,080.44 = 3,793,807.44 : x - Step 2: Convert to fraction form
3,888,985.68/5,825,080.44 = 3,793,807.44/x - Step 3: Cross multiply
3,888,985.68x = 5,825,080.44 × 3,793,807.44 - Step 4: Simplify right side
3,888,985.68x = 22,099,233,511,870.48 - Step 5: Solve for x
x = 22,099,233,511,870.48/3,888,985.68 - Step 6: Final answer
x = 5,682,518.61
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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.