Finding the Fourth Proportional to 7,105,714.09, 10,658,472.10 and 1,714,318.98
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Solution
The fourth proportional to 7,105,714.09, 10,658,472.10 and 1,714,318.98 is: 2,571,454.58
Step by Step Solution
- Step 1: Write the proportion equation
7,105,714.09 : 10,658,472.10 = 1,714,318.98 : x - Step 2: Convert to fraction form
7,105,714.09/10,658,472.10 = 1,714,318.98/x - Step 3: Cross multiply
7,105,714.09x = 10,658,472.10 × 1,714,318.98 - Step 4: Simplify right side
7,105,714.09x = 18,272,021,018,830.46 - Step 5: Solve for x
x = 18,272,021,018,830.46/7,105,714.09 - Step 6: Final answer
x = 2,571,454.58
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.