Finding the Fourth Proportional to 4,162,317.84, 6,243,479.60 and 1,129,684.32
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Solution
The fourth proportional to 4,162,317.84, 6,243,479.60 and 1,129,684.32 is: 1,694,527.25
Step by Step Solution
- Step 1: Write the proportion equation
4,162,317.84 : 6,243,479.60 = 1,129,684.32 : x - Step 2: Convert to fraction form
4,162,317.84/6,243,479.60 = 1,129,684.32/x - Step 3: Cross multiply
4,162,317.84x = 6,243,479.60 × 1,129,684.32 - Step 4: Simplify right side
4,162,317.84x = 7,053,161,000,711.45 - Step 5: Solve for x
x = 7,053,161,000,711.45/4,162,317.84 - Step 6: Final answer
x = 1,694,527.25
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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.