Finding the Fourth Proportional to 2,811,145.92, 4,217,506.24 and 1,129,430.40
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Solution
The fourth proportional to 2,811,145.92, 4,217,506.24 and 1,129,430.40 is: 1,694,461.94
Step by Step Solution
- Step 1: Write the proportion equation
2,811,145.92 : 4,217,506.24 = 1,129,430.40 : x - Step 2: Convert to fraction form
2,811,145.92/4,217,506.24 = 1,129,430.40/x - Step 3: Cross multiply
2,811,145.92x = 4,217,506.24 × 1,129,430.40 - Step 4: Simplify right side
2,811,145.92x = 4,763,379,759,645.70 - Step 5: Solve for x
x = 4,763,379,759,645.70/2,811,145.92 - Step 6: Final answer
x = 1,694,461.94
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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.