Finding the Fourth Proportional to 4,080,315.55, 6,120,251.97 and 1,240,206.28
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Solution
The fourth proportional to 4,080,315.55, 6,120,251.97 and 1,240,206.28 is: 1,860,242.14
Step by Step Solution
- Step 1: Write the proportion equation
4,080,315.55 : 6,120,251.97 = 1,240,206.28 : x - Step 2: Convert to fraction form
4,080,315.55/6,120,251.97 = 1,240,206.28/x - Step 3: Cross multiply
4,080,315.55x = 6,120,251.97 × 1,240,206.28 - Step 4: Simplify right side
4,080,315.55x = 7,590,374,928,376.37 - Step 5: Solve for x
x = 7,590,374,928,376.37/4,080,315.55 - Step 6: Final answer
x = 1,860,242.14
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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.