Finding the Fourth Proportional to 3,176,080.47, 4,382,982.19 and 1,725,780.94
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Solution
The fourth proportional to 3,176,080.47, 4,382,982.19 and 1,725,780.94 is: 2,381,572.88
Step by Step Solution
- Step 1: Write the proportion equation
3,176,080.47 : 4,382,982.19 = 1,725,780.94 : x - Step 2: Convert to fraction form
3,176,080.47/4,382,982.19 = 1,725,780.94/x - Step 3: Cross multiply
3,176,080.47x = 4,382,982.19 × 1,725,780.94 - Step 4: Simplify right side
3,176,080.47x = 7,564,067,115,061.23 - Step 5: Solve for x
x = 7,564,067,115,061.23/3,176,080.47 - Step 6: Final answer
x = 2,381,572.88
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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.