Finding the Fourth Proportional to 1,396,943.79, 2,104,750.22 and 1,262,164.41
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Solution
The fourth proportional to 1,396,943.79, 2,104,750.22 and 1,262,164.41 is: 1,901,680.53
Step by Step Solution
- Step 1: Write the proportion equation
1,396,943.79 : 2,104,750.22 = 1,262,164.41 : x - Step 2: Convert to fraction form
1,396,943.79/2,104,750.22 = 1,262,164.41/x - Step 3: Cross multiply
1,396,943.79x = 2,104,750.22 × 1,262,164.41 - Step 4: Simplify right side
1,396,943.79x = 2,656,540,813,312.85 - Step 5: Solve for x
x = 2,656,540,813,312.85/1,396,943.79 - Step 6: Final answer
x = 1,901,680.53
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.