Finding the Fourth Proportional to 5,279,669.37, 7,923,281.09 and 2,249,158.05
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Solution
The fourth proportional to 5,279,669.37, 7,923,281.09 and 2,249,158.05 is: 3,375,346.10
Step by Step Solution
- Step 1: Write the proportion equation
5,279,669.37 : 7,923,281.09 = 2,249,158.05 : x - Step 2: Convert to fraction form
5,279,669.37/7,923,281.09 = 2,249,158.05/x - Step 3: Cross multiply
5,279,669.37x = 7,923,281.09 × 2,249,158.05 - Step 4: Simplify right side
5,279,669.37x = 17,820,711,434,740.48 - Step 5: Solve for x
x = 17,820,711,434,740.48/5,279,669.37 - Step 6: Final answer
x = 3,375,346.10
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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.