Finding the Fourth Proportional to 1,456,337.80, 2,183,729.10 and 613,937.80
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Solution
The fourth proportional to 1,456,337.80, 2,183,729.10 and 613,937.80 is: 920,578.89
Step by Step Solution
- Step 1: Write the proportion equation
1,456,337.80 : 2,183,729.10 = 613,937.80 : x - Step 2: Convert to fraction form
1,456,337.80/2,183,729.10 = 613,937.80/x - Step 3: Cross multiply
1,456,337.80x = 2,183,729.10 × 613,937.80 - Step 4: Simplify right side
1,456,337.80x = 1,340,673,839,449.98 - Step 5: Solve for x
x = 1,340,673,839,449.98/1,456,337.80 - Step 6: Final answer
x = 920,578.89
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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.