Finding the Fourth Proportional to 2,396,341.78, 3,307,378.80 and 1,416,240.79
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Solution
The fourth proportional to 2,396,341.78, 3,307,378.80 and 1,416,240.79 is: 1,954,664.73
Step by Step Solution
- Step 1: Write the proportion equation
2,396,341.78 : 3,307,378.80 = 1,416,240.79 : x - Step 2: Convert to fraction form
2,396,341.78/3,307,378.80 = 1,416,240.79/x - Step 3: Cross multiply
2,396,341.78x = 3,307,378.80 × 1,416,240.79 - Step 4: Simplify right side
2,396,341.78x = 4,684,044,764,541.25 - Step 5: Solve for x
x = 4,684,044,764,541.25/2,396,341.78 - Step 6: Final answer
x = 1,954,664.73
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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.