Finding the Fourth Proportional to 7,491,352.90, 11,237,029.35 and 3,239,824.90
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Solution
The fourth proportional to 7,491,352.90, 11,237,029.35 and 3,239,824.90 is: 4,859,737.35
Step by Step Solution
- Step 1: Write the proportion equation
7,491,352.90 : 11,237,029.35 = 3,239,824.90 : x - Step 2: Convert to fraction form
7,491,352.90/11,237,029.35 = 3,239,824.90/x - Step 3: Cross multiply
7,491,352.90x = 11,237,029.35 × 3,239,824.90 - Step 4: Simplify right side
7,491,352.90x = 36,406,007,490,160.81 - Step 5: Solve for x
x = 36,406,007,490,160.81/7,491,352.90 - Step 6: Final answer
x = 4,859,737.35
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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.