Finding the Fourth Proportional to 2,642,520.36, 3,963,862.74 and 1,257,350.70
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Solution
The fourth proportional to 2,642,520.36, 3,963,862.74 and 1,257,350.70 is: 1,886,065.16
Step by Step Solution
- Step 1: Write the proportion equation
2,642,520.36 : 3,963,862.74 = 1,257,350.70 : x - Step 2: Convert to fraction form
2,642,520.36/3,963,862.74 = 1,257,350.70/x - Step 3: Cross multiply
2,642,520.36x = 3,963,862.74 × 1,257,350.70 - Step 4: Simplify right side
2,642,520.36x = 4,983,965,590,842.92 - Step 5: Solve for x
x = 4,983,965,590,842.92/2,642,520.36 - Step 6: Final answer
x = 1,886,065.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.