Finding the Fourth Proportional to 3,415,231.02, 4,713,116.38 and 1,866,578.66
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Solution
The fourth proportional to 3,415,231.02, 4,713,116.38 and 1,866,578.66 is: 2,575,931.88
Step by Step Solution
- Step 1: Write the proportion equation
3,415,231.02 : 4,713,116.38 = 1,866,578.66 : x - Step 2: Convert to fraction form
3,415,231.02/4,713,116.38 = 1,866,578.66/x - Step 3: Cross multiply
3,415,231.02x = 4,713,116.38 × 1,866,578.66 - Step 4: Simplify right side
3,415,231.02x = 8,797,402,457,004.45 - Step 5: Solve for x
x = 8,797,402,457,004.45/3,415,231.02 - Step 6: Final answer
x = 2,575,931.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.