Finding the Fourth Proportional to 1,949,239.96, 2,688,871.21 and 1,133,353.49
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Solution
The fourth proportional to 1,949,239.96, 2,688,871.21 and 1,133,353.49 is: 1,563,399.90
Step by Step Solution
- Step 1: Write the proportion equation
1,949,239.96 : 2,688,871.21 = 1,133,353.49 : x - Step 2: Convert to fraction form
1,949,239.96/2,688,871.21 = 1,133,353.49/x - Step 3: Cross multiply
1,949,239.96x = 2,688,871.21 × 1,133,353.49 - Step 4: Simplify right side
1,949,239.96x = 3,047,441,553,736.28 - Step 5: Solve for x
x = 3,047,441,553,736.28/1,949,239.96 - Step 6: Final answer
x = 1,563,399.90
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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.