Finding the Fourth Proportional to 4,335,065.53, 6,503,511.36 and 1,639,331.06
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Solution
The fourth proportional to 4,335,065.53, 6,503,511.36 and 1,639,331.06 is: 2,459,341.87
Step by Step Solution
- Step 1: Write the proportion equation
4,335,065.53 : 6,503,511.36 = 1,639,331.06 : x - Step 2: Convert to fraction form
4,335,065.53/6,503,511.36 = 1,639,331.06/x - Step 3: Cross multiply
4,335,065.53x = 6,503,511.36 × 1,639,331.06 - Step 4: Simplify right side
4,335,065.53x = 10,661,408,145,140.78 - Step 5: Solve for x
x = 10,661,408,145,140.78/4,335,065.53 - Step 6: Final answer
x = 2,459,341.87
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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.