Finding the Fourth Proportional to 4,727,865.84, 6,523,487.64 and 2,793,156.72
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Solution
The fourth proportional to 4,727,865.84, 6,523,487.64 and 2,793,156.72 is: 3,853,984.85
Step by Step Solution
- Step 1: Write the proportion equation
4,727,865.84 : 6,523,487.64 = 2,793,156.72 : x - Step 2: Convert to fraction form
4,727,865.84/6,523,487.64 = 2,793,156.72/x - Step 3: Cross multiply
4,727,865.84x = 6,523,487.64 × 2,793,156.72 - Step 4: Simplify right side
4,727,865.84x = 18,221,123,339,502.94 - Step 5: Solve for x
x = 18,221,123,339,502.94/4,727,865.84 - Step 6: Final answer
x = 3,853,984.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.