Finding the Fourth Proportional to 7,261,438.97, 10,893,340.62 and 2,144,386.41
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Solution
The fourth proportional to 7,261,438.97, 10,893,340.62 and 2,144,386.41 is: 3,216,928.72
Step by Step Solution
- Step 1: Write the proportion equation
7,261,438.97 : 10,893,340.62 = 2,144,386.41 : x - Step 2: Convert to fraction form
7,261,438.97/10,893,340.62 = 2,144,386.41/x - Step 3: Cross multiply
7,261,438.97x = 10,893,340.62 × 2,144,386.41 - Step 4: Simplify right side
7,261,438.97x = 23,359,531,601,671.25 - Step 5: Solve for x
x = 23,359,531,601,671.25/7,261,438.97 - Step 6: Final answer
x = 3,216,928.72
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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.