Finding the Fourth Proportional to 3,395,364.18, 5,093,552.58 and 1,121,128.80
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Solution
The fourth proportional to 3,395,364.18, 5,093,552.58 and 1,121,128.80 is: 1,681,860.38
Step by Step Solution
- Step 1: Write the proportion equation
3,395,364.18 : 5,093,552.58 = 1,121,128.80 : x - Step 2: Convert to fraction form
3,395,364.18/5,093,552.58 = 1,121,128.80/x - Step 3: Cross multiply
3,395,364.18x = 5,093,552.58 × 1,121,128.80 - Step 4: Simplify right side
3,395,364.18x = 5,710,528,491,752.31 - Step 5: Solve for x
x = 5,710,528,491,752.31/3,395,364.18 - Step 6: Final answer
x = 1,681,860.38
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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.