Finding the Fourth Proportional to 2,991,749.10, 4,156,484.76 and 2,955,876.84
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Solution
The fourth proportional to 2,991,749.10, 4,156,484.76 and 2,955,876.84 is: 4,106,646.86
Step by Step Solution
- Step 1: Write the proportion equation
2,991,749.10 : 4,156,484.76 = 2,955,876.84 : x - Step 2: Convert to fraction form
2,991,749.10/4,156,484.76 = 2,955,876.84/x - Step 3: Cross multiply
2,991,749.10x = 4,156,484.76 × 2,955,876.84 - Step 4: Simplify right side
2,991,749.10x = 12,286,057,037,896.96 - Step 5: Solve for x
x = 12,286,057,037,896.96/2,991,749.10 - Step 6: Final answer
x = 4,106,646.86
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.