Finding the Fourth Proportional to 4,923,998.88, 7,386,209.28 and 1,512,421.28
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Solution
The fourth proportional to 4,923,998.88, 7,386,209.28 and 1,512,421.28 is: 2,268,696.72
Step by Step Solution
- Step 1: Write the proportion equation
4,923,998.88 : 7,386,209.28 = 1,512,421.28 : x - Step 2: Convert to fraction form
4,923,998.88/7,386,209.28 = 1,512,421.28/x - Step 3: Cross multiply
4,923,998.88x = 7,386,209.28 × 1,512,421.28 - Step 4: Simplify right side
4,923,998.88x = 11,171,060,093,605.48 - Step 5: Solve for x
x = 11,171,060,093,605.48/4,923,998.88 - Step 6: Final answer
x = 2,268,696.72
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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.