Finding the Fourth Proportional to 3,528,126.16, 5,293,938.72 and 1,398,163.12
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Solution
The fourth proportional to 3,528,126.16, 5,293,938.72 and 1,398,163.12 is: 2,097,937.98
Step by Step Solution
- Step 1: Write the proportion equation
3,528,126.16 : 5,293,938.72 = 1,398,163.12 : x - Step 2: Convert to fraction form
3,528,126.16/5,293,938.72 = 1,398,163.12/x - Step 3: Cross multiply
3,528,126.16x = 5,293,938.72 × 1,398,163.12 - Step 4: Simplify right side
3,528,126.16x = 7,401,789,877,844.01 - Step 5: Solve for x
x = 7,401,789,877,844.01/3,528,126.16 - Step 6: Final answer
x = 2,097,937.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.