Finding the Fourth Proportional to 2,178,318.36, 3,267,478.98 and 682,527
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Solution
The fourth proportional to 2,178,318.36, 3,267,478.98 and 682,527 is: 1,023,790.95
Step by Step Solution
- Step 1: Write the proportion equation
2,178,318.36 : 3,267,478.98 = 682,527 : x - Step 2: Convert to fraction form
2,178,318.36/3,267,478.98 = 682,527/x - Step 3: Cross multiply
2,178,318.36x = 3,267,478.98 × 682,527 - Step 4: Simplify right side
2,178,318.36x = 2,230,142,625,782.46 - Step 5: Solve for x
x = 2,230,142,625,782.46/2,178,318.36 - Step 6: Final answer
x = 1,023,790.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.