Finding the Fourth Proportional to 7,042,701.49, 10,564,765.74 and 2,431,086.68
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Solution
The fourth proportional to 7,042,701.49, 10,564,765.74 and 2,431,086.68 is: 3,646,876.32
Step by Step Solution
- Step 1: Write the proportion equation
7,042,701.49 : 10,564,765.74 = 2,431,086.68 : x - Step 2: Convert to fraction form
7,042,701.49/10,564,765.74 = 2,431,086.68/x - Step 3: Cross multiply
7,042,701.49x = 10,564,765.74 × 2,431,086.68 - Step 4: Simplify right side
7,042,701.49x = 25,683,861,294,246.26 - Step 5: Solve for x
x = 25,683,861,294,246.26/7,042,701.49 - Step 6: Final answer
x = 3,646,876.32
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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.