Finding the Fourth Proportional to 2,912,497.76, 4,369,811.94 and 1,355,266.11
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Solution
The fourth proportional to 2,912,497.76, 4,369,811.94 and 1,355,266.11 is: 2,033,394.88
Step by Step Solution
- Step 1: Write the proportion equation
2,912,497.76 : 4,369,811.94 = 1,355,266.11 : x - Step 2: Convert to fraction form
2,912,497.76/4,369,811.94 = 1,355,266.11/x - Step 3: Cross multiply
2,912,497.76x = 4,369,811.94 × 1,355,266.11 - Step 4: Simplify right side
2,912,497.76x = 5,922,258,022,579.02 - Step 5: Solve for x
x = 5,922,258,022,579.02/2,912,497.76 - Step 6: Final answer
x = 2,033,394.88
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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.