Finding the Fourth Proportional to 4,987,935.98, 7,481,903.97 and 1,201,418.86
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Solution
The fourth proportional to 4,987,935.98, 7,481,903.97 and 1,201,418.86 is: 1,802,128.29
Step by Step Solution
- Step 1: Write the proportion equation
4,987,935.98 : 7,481,903.97 = 1,201,418.86 : x - Step 2: Convert to fraction form
4,987,935.98/7,481,903.97 = 1,201,418.86/x - Step 3: Cross multiply
4,987,935.98x = 7,481,903.97 × 1,201,418.86 - Step 4: Simplify right side
4,987,935.98x = 8,988,900,538,266.88 - Step 5: Solve for x
x = 8,988,900,538,266.88/4,987,935.98 - Step 6: Final answer
x = 1,802,128.29
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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.