Finding the Fourth Proportional to 2,088,988.64, 2,883,317.16 and 1,273,641.92
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Solution
The fourth proportional to 2,088,988.64, 2,883,317.16 and 1,273,641.92 is: 1,757,938.52
Step by Step Solution
- Step 1: Write the proportion equation
2,088,988.64 : 2,883,317.16 = 1,273,641.92 : x - Step 2: Convert to fraction form
2,088,988.64/2,883,317.16 = 1,273,641.92/x - Step 3: Cross multiply
2,088,988.64x = 2,883,317.16 × 1,273,641.92 - Step 4: Simplify right side
2,088,988.64x = 3,672,313,603,631.35 - Step 5: Solve for x
x = 3,672,313,603,631.35/2,088,988.64 - Step 6: Final answer
x = 1,757,938.52
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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.