Finding the Fourth Proportional to 1,949,174.96, 2,689,724.88 and 1,133,320.75
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Solution
The fourth proportional to 1,949,174.96, 2,689,724.88 and 1,133,320.75 is: 1,563,903.23
Step by Step Solution
- Step 1: Write the proportion equation
1,949,174.96 : 2,689,724.88 = 1,133,320.75 : x - Step 2: Convert to fraction form
1,949,174.96/2,689,724.88 = 1,133,320.75/x - Step 3: Cross multiply
1,949,174.96x = 2,689,724.88 × 1,133,320.75 - Step 4: Simplify right side
1,949,174.96x = 3,048,321,011,570.95 - Step 5: Solve for x
x = 3,048,321,011,570.95/1,949,174.96 - Step 6: Final answer
x = 1,563,903.23
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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.