Finding the Fourth Proportional to 1,552,135.92, 2,140,115.67 and 1,062,341.70
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Solution
The fourth proportional to 1,552,135.92, 2,140,115.67 and 1,062,341.70 is: 1,464,777.72
Step by Step Solution
- Step 1: Write the proportion equation
1,552,135.92 : 2,140,115.67 = 1,062,341.70 : x - Step 2: Convert to fraction form
1,552,135.92/2,140,115.67 = 1,062,341.70/x - Step 3: Cross multiply
1,552,135.92x = 2,140,115.67 × 1,062,341.70 - Step 4: Simplify right side
1,552,135.92x = 2,273,534,119,064.44 - Step 5: Solve for x
x = 2,273,534,119,064.44/1,552,135.92 - Step 6: Final answer
x = 1,464,777.72
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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.