Finding the Fourth Proportional to 1,893,450.40, 2,611,480.08 and 1,214,448.80
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Solution
The fourth proportional to 1,893,450.40, 2,611,480.08 and 1,214,448.80 is: 1,674,989.14
Step by Step Solution
- Step 1: Write the proportion equation
1,893,450.40 : 2,611,480.08 = 1,214,448.80 : x - Step 2: Convert to fraction form
1,893,450.40/2,611,480.08 = 1,214,448.80/x - Step 3: Cross multiply
1,893,450.40x = 2,611,480.08 × 1,214,448.80 - Step 4: Simplify right side
1,893,450.40x = 3,171,508,849,379.90 - Step 5: Solve for x
x = 3,171,508,849,379.90/1,893,450.40 - Step 6: Final answer
x = 1,674,989.14
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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.