Finding the Fourth Proportional to 4,818,890.57, 7,227,624.84 and 1,406,260.87
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Solution
The fourth proportional to 4,818,890.57, 7,227,624.84 and 1,406,260.87 is: 2,109,183.81
Step by Step Solution
- Step 1: Write the proportion equation
4,818,890.57 : 7,227,624.84 = 1,406,260.87 : x - Step 2: Convert to fraction form
4,818,890.57/7,227,624.84 = 1,406,260.87/x - Step 3: Cross multiply
4,818,890.57x = 7,227,624.84 × 1,406,260.87 - Step 4: Simplify right side
4,818,890.57x = 10,163,925,990,263.17 - Step 5: Solve for x
x = 10,163,925,990,263.17/4,818,890.57 - Step 6: Final answer
x = 2,109,183.81
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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.