Finding the Fourth Proportional to 1,536,920.43, 2,120,983.56 and 848,589.99
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Solution
The fourth proportional to 1,536,920.43, 2,120,983.56 and 848,589.99 is: 1,171,072.61
Step by Step Solution
- Step 1: Write the proportion equation
1,536,920.43 : 2,120,983.56 = 848,589.99 : x - Step 2: Convert to fraction form
1,536,920.43/2,120,983.56 = 848,589.99/x - Step 3: Cross multiply
1,536,920.43x = 2,120,983.56 × 848,589.99 - Step 4: Simplify right side
1,536,920.43x = 1,799,845,417,970.56 - Step 5: Solve for x
x = 1,799,845,417,970.56/1,536,920.43 - Step 6: Final answer
x = 1,171,072.61
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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.