Finding the Fourth Proportional to 3,678,375.06, 5,517,565.65 and 1,758,834.63
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Solution
The fourth proportional to 3,678,375.06, 5,517,565.65 and 1,758,834.63 is: 2,638,253.41
Step by Step Solution
- Step 1: Write the proportion equation
3,678,375.06 : 5,517,565.65 = 1,758,834.63 : x - Step 2: Convert to fraction form
3,678,375.06/5,517,565.65 = 1,758,834.63/x - Step 3: Cross multiply
3,678,375.06x = 5,517,565.65 × 1,758,834.63 - Step 4: Simplify right side
3,678,375.06x = 9,704,485,538,518.46 - Step 5: Solve for x
x = 9,704,485,538,518.46/3,678,375.06 - Step 6: Final answer
x = 2,638,253.41
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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.