Finding the Fourth Proportional to 4,527,246.30, 6,790,869.45 and 4,208,381.70
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Solution
The fourth proportional to 4,527,246.30, 6,790,869.45 and 4,208,381.70 is: 6,312,572.55
Step by Step Solution
- Step 1: Write the proportion equation
4,527,246.30 : 6,790,869.45 = 4,208,381.70 : x - Step 2: Convert to fraction form
4,527,246.30/6,790,869.45 = 4,208,381.70/x - Step 3: Cross multiply
4,527,246.30x = 6,790,869.45 × 4,208,381.70 - Step 4: Simplify right side
4,527,246.30x = 28,578,570,720,469.07 - Step 5: Solve for x
x = 28,578,570,720,469.07/4,527,246.30 - Step 6: Final answer
x = 6,312,572.55
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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.