Finding the Fourth Proportional to 5,353,955.76, 8,031,037.20 and 1,310,478.24
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Solution
The fourth proportional to 5,353,955.76, 8,031,037.20 and 1,310,478.24 is: 1,965,742.71
Step by Step Solution
- Step 1: Write the proportion equation
5,353,955.76 : 8,031,037.20 = 1,310,478.24 : x - Step 2: Convert to fraction form
5,353,955.76/8,031,037.20 = 1,310,478.24/x - Step 3: Cross multiply
5,353,955.76x = 8,031,037.20 × 1,310,478.24 - Step 4: Simplify right side
5,353,955.76x = 10,524,499,495,230.53 - Step 5: Solve for x
x = 10,524,499,495,230.53/5,353,955.76 - Step 6: Final answer
x = 1,965,742.71
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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.