Finding the Fourth Proportional to 3,237,385.80, 4,860,015.30 and 1,639,126.20
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Solution
The fourth proportional to 3,237,385.80, 4,860,015.30 and 1,639,126.20 is: 2,460,682.45
Step by Step Solution
- Step 1: Write the proportion equation
3,237,385.80 : 4,860,015.30 = 1,639,126.20 : x - Step 2: Convert to fraction form
3,237,385.80/4,860,015.30 = 1,639,126.20/x - Step 3: Cross multiply
3,237,385.80x = 4,860,015.30 × 1,639,126.20 - Step 4: Simplify right side
3,237,385.80x = 7,966,178,410,630.86 - Step 5: Solve for x
x = 7,966,178,410,630.86/3,237,385.80 - Step 6: Final answer
x = 2,460,682.45
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1.5x scale
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.