Finding the Fourth Proportional to 4,489,988.25, 6,735,040.74 and 1,498,172.25
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Solution
The fourth proportional to 4,489,988.25, 6,735,040.74 and 1,498,172.25 is: 2,247,277.85
Step by Step Solution
- Step 1: Write the proportion equation
4,489,988.25 : 6,735,040.74 = 1,498,172.25 : x - Step 2: Convert to fraction form
4,489,988.25/6,735,040.74 = 1,498,172.25/x - Step 3: Cross multiply
4,489,988.25x = 6,735,040.74 × 1,498,172.25 - Step 4: Simplify right side
4,489,988.25x = 10,090,251,139,287.46 - Step 5: Solve for x
x = 10,090,251,139,287.46/4,489,988.25 - Step 6: Final answer
x = 2,247,277.85
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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.