Finding the Fourth Proportional to 2,081,574.96, 2,872,536 and 1,176,137.52
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Solution
The fourth proportional to 2,081,574.96, 2,872,536 and 1,176,137.52 is: 1,623,048.62
Step by Step Solution
- Step 1: Write the proportion equation
2,081,574.96 : 2,872,536 = 1,176,137.52 : x - Step 2: Convert to fraction form
2,081,574.96/2,872,536 = 1,176,137.52/x - Step 3: Cross multiply
2,081,574.96x = 2,872,536 × 1,176,137.52 - Step 4: Simplify right side
2,081,574.96x = 3,378,497,367,150.72 - Step 5: Solve for x
x = 3,378,497,367,150.72/2,081,574.96 - Step 6: Final answer
x = 1,623,048.62
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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.