Finding the Fourth Proportional to 4,278,063, 6,417,033.60 and 1,039,624.44
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Solution
The fourth proportional to 4,278,063, 6,417,033.60 and 1,039,624.44 is: 1,559,421.86
Step by Step Solution
- Step 1: Write the proportion equation
4,278,063 : 6,417,033.60 = 1,039,624.44 : x - Step 2: Convert to fraction form
4,278,063/6,417,033.60 = 1,039,624.44/x - Step 3: Cross multiply
4,278,063x = 6,417,033.60 × 1,039,624.44 - Step 4: Simplify right side
4,278,063x = 6,671,304,962,861.18 - Step 5: Solve for x
x = 6,671,304,962,861.18/4,278,063 - Step 6: Final answer
x = 1,559,421.86
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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.