Finding the Fourth Proportional to 4,080,552.70, 6,120,829.05 and 1,240,660.30
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Solution
The fourth proportional to 4,080,552.70, 6,120,829.05 and 1,240,660.30 is: 1,860,990.45
Step by Step Solution
- Step 1: Write the proportion equation
4,080,552.70 : 6,120,829.05 = 1,240,660.30 : x - Step 2: Convert to fraction form
4,080,552.70/6,120,829.05 = 1,240,660.30/x - Step 3: Cross multiply
4,080,552.70x = 6,120,829.05 × 1,240,660.30 - Step 4: Simplify right side
4,080,552.70x = 7,593,869,605,421.72 - Step 5: Solve for x
x = 7,593,869,605,421.72/4,080,552.70 - Step 6: Final answer
x = 1,860,990.45
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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.