Finding the Fourth Proportional to 3,498,682.10, 4,828,274.61 and 1,970,698.10
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Solution
The fourth proportional to 3,498,682.10, 4,828,274.61 and 1,970,698.10 is: 2,719,615.94
Step by Step Solution
- Step 1: Write the proportion equation
3,498,682.10 : 4,828,274.61 = 1,970,698.10 : x - Step 2: Convert to fraction form
3,498,682.10/4,828,274.61 = 1,970,698.10/x - Step 3: Cross multiply
3,498,682.10x = 4,828,274.61 × 1,970,698.10 - Step 4: Simplify right side
3,498,682.10x = 9,515,071,600,205.24 - Step 5: Solve for x
x = 9,515,071,600,205.24/3,498,682.10 - Step 6: Final answer
x = 2,719,615.94
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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.