Finding the Fourth Proportional to 2,518,534.40, 3,777,801.60 and 1,622,739.20
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Solution
The fourth proportional to 2,518,534.40, 3,777,801.60 and 1,622,739.20 is: 2,434,108.80
Step by Step Solution
- Step 1: Write the proportion equation
2,518,534.40 : 3,777,801.60 = 1,622,739.20 : x - Step 2: Convert to fraction form
2,518,534.40/3,777,801.60 = 1,622,739.20/x - Step 3: Cross multiply
2,518,534.40x = 3,777,801.60 × 1,622,739.20 - Step 4: Simplify right side
2,518,534.40x = 6,130,386,746,142.72 - Step 5: Solve for x
x = 6,130,386,746,142.72/2,518,534.40 - Step 6: Final answer
x = 2,434,108.80
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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.