Finding the Fourth Proportional to 1,903,574.56, 2,626,912.08 and 1,044,131.68
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Solution
The fourth proportional to 1,903,574.56, 2,626,912.08 and 1,044,131.68 is: 1,440,890.30
Step by Step Solution
- Step 1: Write the proportion equation
1,903,574.56 : 2,626,912.08 = 1,044,131.68 : x - Step 2: Convert to fraction form
1,903,574.56/2,626,912.08 = 1,044,131.68/x - Step 3: Cross multiply
1,903,574.56x = 2,626,912.08 × 1,044,131.68 - Step 4: Simplify right side
1,903,574.56x = 2,742,842,123,302.69 - Step 5: Solve for x
x = 2,742,842,123,302.69/1,903,574.56 - Step 6: Final answer
x = 1,440,890.30
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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.