Finding the Fourth Proportional to 2,431,920.92, 3,648,064.74 and 725,929.48
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Solution
The fourth proportional to 2,431,920.92, 3,648,064.74 and 725,929.48 is: 1,088,948.95
Step by Step Solution
- Step 1: Write the proportion equation
2,431,920.92 : 3,648,064.74 = 725,929.48 : x - Step 2: Convert to fraction form
2,431,920.92/3,648,064.74 = 725,929.48/x - Step 3: Cross multiply
2,431,920.92x = 3,648,064.74 × 725,929.48 - Step 4: Simplify right side
2,431,920.92x = 2,648,237,739,714.54 - Step 5: Solve for x
x = 2,648,237,739,714.54/2,431,920.92 - Step 6: Final answer
x = 1,088,948.95
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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.