Finding the Fourth Proportional to 1,551,121.62, 2,326,711.59 and 486,140.10
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Solution
The fourth proportional to 1,551,121.62, 2,326,711.59 and 486,140.10 is: 729,219.29
Step by Step Solution
- Step 1: Write the proportion equation
1,551,121.62 : 2,326,711.59 = 486,140.10 : x - Step 2: Convert to fraction form
1,551,121.62/2,326,711.59 = 486,140.10/x - Step 3: Cross multiply
1,551,121.62x = 2,326,711.59 × 486,140.10 - Step 4: Simplify right side
1,551,121.62x = 1,131,107,805,033.76 - Step 5: Solve for x
x = 1,131,107,805,033.76/1,551,121.62 - Step 6: Final answer
x = 729,219.29
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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.