Finding the Fourth Proportional to 4,457,310.68, 6,688,622.10 and 1,617,644.18
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Solution
The fourth proportional to 4,457,310.68, 6,688,622.10 and 1,617,644.18 is: 2,427,430.21
Step by Step Solution
- Step 1: Write the proportion equation
4,457,310.68 : 6,688,622.10 = 1,617,644.18 : x - Step 2: Convert to fraction form
4,457,310.68/6,688,622.10 = 1,617,644.18/x - Step 3: Cross multiply
4,457,310.68x = 6,688,622.10 × 1,617,644.18 - Step 4: Simplify right side
4,457,310.68x = 10,819,810,612,284.38 - Step 5: Solve for x
x = 10,819,810,612,284.38/4,457,310.68 - Step 6: Final answer
x = 2,427,430.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.