Finding the Fourth Proportional to 4,953,931.20, 7,430,896.80 and 4,156,769.70
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Solution
The fourth proportional to 4,953,931.20, 7,430,896.80 and 4,156,769.70 is: 6,235,154.55
Step by Step Solution
- Step 1: Write the proportion equation
4,953,931.20 : 7,430,896.80 = 4,156,769.70 : x - Step 2: Convert to fraction form
4,953,931.20/7,430,896.80 = 4,156,769.70/x - Step 3: Cross multiply
4,953,931.20x = 7,430,896.80 × 4,156,769.70 - Step 4: Simplify right side
4,953,931.20x = 30,888,526,662,066.96 - Step 5: Solve for x
x = 30,888,526,662,066.96/4,953,931.20 - Step 6: Final answer
x = 6,235,154.55
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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.