Finding the Fourth Proportional to 3,175,833.79, 4,382,690.49 and 1,725,553.50
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Solution
The fourth proportional to 3,175,833.79, 4,382,690.49 and 1,725,553.50 is: 2,381,285.48
Step by Step Solution
- Step 1: Write the proportion equation
3,175,833.79 : 4,382,690.49 = 1,725,553.50 : x - Step 2: Convert to fraction form
3,175,833.79/4,382,690.49 = 1,725,553.50/x - Step 3: Cross multiply
3,175,833.79x = 4,382,690.49 × 1,725,553.50 - Step 4: Simplify right side
3,175,833.79x = 7,562,566,898,001.13 - Step 5: Solve for x
x = 7,562,566,898,001.13/3,175,833.79 - Step 6: Final answer
x = 2,381,285.48
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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.