Finding the Fourth Proportional to 4,366,705.20, 6,548,891.40 and 1,334,065.20
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Solution
The fourth proportional to 4,366,705.20, 6,548,891.40 and 1,334,065.20 is: 2,000,741.45
Step by Step Solution
- Step 1: Write the proportion equation
4,366,705.20 : 6,548,891.40 = 1,334,065.20 : x - Step 2: Convert to fraction form
4,366,705.20/6,548,891.40 = 1,334,065.20/x - Step 3: Cross multiply
4,366,705.20x = 6,548,891.40 × 1,334,065.20 - Step 4: Simplify right side
4,366,705.20x = 8,736,648,115,319.28 - Step 5: Solve for x
x = 8,736,648,115,319.28/4,366,705.20 - Step 6: Final answer
x = 2,000,741.45
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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.