Finding the Fourth Proportional to 1,816,415.28, 2,506,653.24 and 1,052,911.92
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Solution
The fourth proportional to 1,816,415.28, 2,506,653.24 and 1,052,911.92 is: 1,453,018.54
Step by Step Solution
- Step 1: Write the proportion equation
1,816,415.28 : 2,506,653.24 = 1,052,911.92 : x - Step 2: Convert to fraction form
1,816,415.28/2,506,653.24 = 1,052,911.92/x - Step 3: Cross multiply
1,816,415.28x = 2,506,653.24 × 1,052,911.92 - Step 4: Simplify right side
1,816,415.28x = 2,639,285,075,702.62 - Step 5: Solve for x
x = 2,639,285,075,702.62/1,816,415.28 - Step 6: Final answer
x = 1,453,018.54
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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.