Finding the Fourth Proportional to 6,431,243.95, 9,634,253.95 and 3,729,895.57
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Solution
The fourth proportional to 6,431,243.95, 9,634,253.95 and 3,729,895.57 is: 5,587,528.85
Step by Step Solution
- Step 1: Write the proportion equation
6,431,243.95 : 9,634,253.95 = 3,729,895.57 : x - Step 2: Convert to fraction form
6,431,243.95/9,634,253.95 = 3,729,895.57/x - Step 3: Cross multiply
6,431,243.95x = 9,634,253.95 × 3,729,895.57 - Step 4: Simplify right side
6,431,243.95x = 35,934,761,128,360 - Step 5: Solve for x
x = 35,934,761,128,360/6,431,243.95 - Step 6: Final answer
x = 5,587,528.85
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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.