Finding the Fourth Proportional to 1,678,584.84, 2,518,621.53 and 879,676.44
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Solution
The fourth proportional to 1,678,584.84, 2,518,621.53 and 879,676.44 is: 1,319,904.70
Step by Step Solution
- Step 1: Write the proportion equation
1,678,584.84 : 2,518,621.53 = 879,676.44 : x - Step 2: Convert to fraction form
1,678,584.84/2,518,621.53 = 879,676.44/x - Step 3: Cross multiply
1,678,584.84x = 2,518,621.53 × 879,676.44 - Step 4: Simplify right side
1,678,584.84x = 2,215,572,021,217.75 - Step 5: Solve for x
x = 2,215,572,021,217.75/1,678,584.84 - Step 6: Final answer
x = 1,319,904.70
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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.