Finding the Fourth Proportional to 2,518,621.20, 3,475,778.40 and 1,430,872.92
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Solution
The fourth proportional to 2,518,621.20, 3,475,778.40 and 1,430,872.92 is: 1,974,650.73
Step by Step Solution
- Step 1: Write the proportion equation
2,518,621.20 : 3,475,778.40 = 1,430,872.92 : x - Step 2: Convert to fraction form
2,518,621.20/3,475,778.40 = 1,430,872.92/x - Step 3: Cross multiply
2,518,621.20x = 3,475,778.40 × 1,430,872.92 - Step 4: Simplify right side
2,518,621.20x = 4,973,397,188,480.93 - Step 5: Solve for x
x = 4,973,397,188,480.93/2,518,621.20 - Step 6: Final answer
x = 1,974,650.73
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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.