Finding the Fourth Proportional to 2,638,475.84, 3,641,097.84 and 1,492,531.76
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Solution
The fourth proportional to 2,638,475.84, 3,641,097.84 and 1,492,531.76 is: 2,059,694.50
Step by Step Solution
- Step 1: Write the proportion equation
2,638,475.84 : 3,641,097.84 = 1,492,531.76 : x - Step 2: Convert to fraction form
2,638,475.84/3,641,097.84 = 1,492,531.76/x - Step 3: Cross multiply
2,638,475.84x = 3,641,097.84 × 1,492,531.76 - Step 4: Simplify right side
2,638,475.84x = 5,434,454,167,467.40 - Step 5: Solve for x
x = 5,434,454,167,467.40/2,638,475.84 - Step 6: Final answer
x = 2,059,694.50
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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.