Finding the Fourth Proportional to 1,930,912.20, 2,896,368.30 and 1,397,305.80
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Solution
The fourth proportional to 1,930,912.20, 2,896,368.30 and 1,397,305.80 is: 2,095,958.70
Step by Step Solution
- Step 1: Write the proportion equation
1,930,912.20 : 2,896,368.30 = 1,397,305.80 : x - Step 2: Convert to fraction form
1,930,912.20/2,896,368.30 = 1,397,305.80/x - Step 3: Cross multiply
1,930,912.20x = 2,896,368.30 × 1,397,305.80 - Step 4: Simplify right side
1,930,912.20x = 4,047,112,224,526.14 - Step 5: Solve for x
x = 4,047,112,224,526.14/1,930,912.20 - Step 6: Final answer
x = 2,095,958.70
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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.