Finding the Fourth Proportional to 3,518,122.26, 4,855,018.05 and 1,908,490.26
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Solution
The fourth proportional to 3,518,122.26, 4,855,018.05 and 1,908,490.26 is: 2,633,721.62
Step by Step Solution
- Step 1: Write the proportion equation
3,518,122.26 : 4,855,018.05 = 1,908,490.26 : x - Step 2: Convert to fraction form
3,518,122.26/4,855,018.05 = 1,908,490.26/x - Step 3: Cross multiply
3,518,122.26x = 4,855,018.05 × 1,908,490.26 - Step 4: Simplify right side
3,518,122.26x = 9,265,754,660,549.19 - Step 5: Solve for x
x = 9,265,754,660,549.19/3,518,122.26 - Step 6: Final answer
x = 2,633,721.62
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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.