Finding the Fourth Proportional to 5,252,976.96, 7,879,706.91 and 1,609,445.91
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Solution
The fourth proportional to 5,252,976.96, 7,879,706.91 and 1,609,445.91 is: 2,414,242.85
Step by Step Solution
- Step 1: Write the proportion equation
5,252,976.96 : 7,879,706.91 = 1,609,445.91 : x - Step 2: Convert to fraction form
5,252,976.96/7,879,706.91 = 1,609,445.91/x - Step 3: Cross multiply
5,252,976.96x = 7,879,706.91 × 1,609,445.91 - Step 4: Simplify right side
5,252,976.96x = 12,681,962,058,298.24 - Step 5: Solve for x
x = 12,681,962,058,298.24/5,252,976.96 - Step 6: Final answer
x = 2,414,242.85
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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.