Finding the Fourth Proportional to 4,256,757.20, 6,388,246.20 and 2,997,045.20
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Solution
The fourth proportional to 4,256,757.20, 6,388,246.20 and 2,997,045.20 is: 4,497,757.73
Step by Step Solution
- Step 1: Write the proportion equation
4,256,757.20 : 6,388,246.20 = 2,997,045.20 : x - Step 2: Convert to fraction form
4,256,757.20/6,388,246.20 = 2,997,045.20/x - Step 3: Cross multiply
4,256,757.20x = 6,388,246.20 × 2,997,045.20 - Step 4: Simplify right side
4,256,757.20x = 19,145,862,610,128.24 - Step 5: Solve for x
x = 19,145,862,610,128.24/4,256,757.20 - Step 6: Final answer
x = 4,497,757.73
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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.