Finding the Fourth Proportional to 3,639,494.28, 5,459,044.60 and 1,115,156.84
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Solution
The fourth proportional to 3,639,494.28, 5,459,044.60 and 1,115,156.84 is: 1,672,674.95
Step by Step Solution
- Step 1: Write the proportion equation
3,639,494.28 : 5,459,044.60 = 1,115,156.84 : x - Step 2: Convert to fraction form
3,639,494.28/5,459,044.60 = 1,115,156.84/x - Step 3: Cross multiply
3,639,494.28x = 5,459,044.60 × 1,115,156.84 - Step 4: Simplify right side
3,639,494.28x = 6,087,690,925,555.07 - Step 5: Solve for x
x = 6,087,690,925,555.07/3,639,494.28 - Step 6: Final answer
x = 1,672,674.95
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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.