Finding the Fourth Proportional to 5,697,277.78, 7,862,243.08 and 3,118,958.54
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Solution
The fourth proportional to 5,697,277.78, 7,862,243.08 and 3,118,958.54 is: 4,304,162.64
Step by Step Solution
- Step 1: Write the proportion equation
5,697,277.78 : 7,862,243.08 = 3,118,958.54 : x - Step 2: Convert to fraction form
5,697,277.78/7,862,243.08 = 3,118,958.54/x - Step 3: Cross multiply
5,697,277.78x = 7,862,243.08 × 3,118,958.54 - Step 4: Simplify right side
5,697,277.78x = 24,522,010,197,921.90 - Step 5: Solve for x
x = 24,522,010,197,921.90/5,697,277.78 - Step 6: Final answer
x = 4,304,162.64
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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.