Finding the Fourth Proportional to 5,126,217.87, 7,689,786.08 and 1,482,890.52
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Solution
The fourth proportional to 5,126,217.87, 7,689,786.08 and 1,482,890.52 is: 2,224,468.64
Step by Step Solution
- Step 1: Write the proportion equation
5,126,217.87 : 7,689,786.08 = 1,482,890.52 : x - Step 2: Convert to fraction form
5,126,217.87/7,689,786.08 = 1,482,890.52/x - Step 3: Cross multiply
5,126,217.87x = 7,689,786.08 × 1,482,890.52 - Step 4: Simplify right side
5,126,217.87x = 11,403,110,871,445.51 - Step 5: Solve for x
x = 11,403,110,871,445.51/5,126,217.87 - Step 6: Final answer
x = 2,224,468.64
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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.