Finding the Fourth Proportional to 3,879,182.54, 5,352,888.75 and 2,160,462.98
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Solution
The fourth proportional to 3,879,182.54, 5,352,888.75 and 2,160,462.98 is: 2,981,225.52
Step by Step Solution
- Step 1: Write the proportion equation
3,879,182.54 : 5,352,888.75 = 2,160,462.98 : x - Step 2: Convert to fraction form
3,879,182.54/5,352,888.75 = 2,160,462.98/x - Step 3: Cross multiply
3,879,182.54x = 5,352,888.75 × 2,160,462.98 - Step 4: Simplify right side
3,879,182.54x = 11,564,717,985,713.96 - Step 5: Solve for x
x = 11,564,717,985,713.96/3,879,182.54 - Step 6: Final answer
x = 2,981,225.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.