Finding the Fourth Proportional to 5,269,681.76, 7,898,423.33 and 2,423,821.28
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Solution
The fourth proportional to 5,269,681.76, 7,898,423.33 and 2,423,821.28 is: 3,632,926.50
Step by Step Solution
- Step 1: Write the proportion equation
5,269,681.76 : 7,898,423.33 = 2,423,821.28 : x - Step 2: Convert to fraction form
5,269,681.76/7,898,423.33 = 2,423,821.28/x - Step 3: Cross multiply
5,269,681.76x = 7,898,423.33 × 2,423,821.28 - Step 4: Simplify right side
5,269,681.76x = 19,144,366,494,091.24 - Step 5: Solve for x
x = 19,144,366,494,091.24/5,269,681.76 - Step 6: Final answer
x = 3,632,926.50
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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.