Finding the Fourth Proportional to 2,020,165.54, 2,787,887.32 and 1,102,453.80
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Solution
The fourth proportional to 2,020,165.54, 2,787,887.32 and 1,102,453.80 is: 1,521,418.37
Step by Step Solution
- Step 1: Write the proportion equation
2,020,165.54 : 2,787,887.32 = 1,102,453.80 : x - Step 2: Convert to fraction form
2,020,165.54/2,787,887.32 = 1,102,453.80/x - Step 3: Cross multiply
2,020,165.54x = 2,787,887.32 × 1,102,453.80 - Step 4: Simplify right side
2,020,165.54x = 3,073,516,969,905.82 - Step 5: Solve for x
x = 3,073,516,969,905.82/2,020,165.54 - Step 6: Final answer
x = 1,521,418.37
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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.