Finding the Fourth Proportional to 3,047,387.94, 4,205,372.18 and 1,670,715.18
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Solution
The fourth proportional to 3,047,387.94, 4,205,372.18 and 1,670,715.18 is: 2,305,574.24
Step by Step Solution
- Step 1: Write the proportion equation
3,047,387.94 : 4,205,372.18 = 1,670,715.18 : x - Step 2: Convert to fraction form
3,047,387.94/4,205,372.18 = 1,670,715.18/x - Step 3: Cross multiply
3,047,387.94x = 4,205,372.18 × 1,670,715.18 - Step 4: Simplify right side
3,047,387.94x = 7,025,979,130,322.12 - Step 5: Solve for x
x = 7,025,979,130,322.12/3,047,387.94 - Step 6: Final answer
x = 2,305,574.24
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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.