Finding the Fourth Proportional to 1,676,416.09, 2,514,717.06 and 478,246.27
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Solution
The fourth proportional to 1,676,416.09, 2,514,717.06 and 478,246.27 is: 717,395.91
Step by Step Solution
- Step 1: Write the proportion equation
1,676,416.09 : 2,514,717.06 = 478,246.27 : x - Step 2: Convert to fraction form
1,676,416.09/2,514,717.06 = 478,246.27/x - Step 3: Cross multiply
1,676,416.09x = 2,514,717.06 × 478,246.27 - Step 4: Simplify right side
1,676,416.09x = 1,202,654,054,050.37 - Step 5: Solve for x
x = 1,202,654,054,050.37/1,676,416.09 - Step 6: Final answer
x = 717,395.91
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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.