Finding the Fourth Proportional to 4,395,338.92, 6,581,196.18 and 2,789,206.12
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Solution
The fourth proportional to 4,395,338.92, 6,581,196.18 and 2,789,206.12 is: 4,176,313.36
Step by Step Solution
- Step 1: Write the proportion equation
4,395,338.92 : 6,581,196.18 = 2,789,206.12 : x - Step 2: Convert to fraction form
4,395,338.92/6,581,196.18 = 2,789,206.12/x - Step 3: Cross multiply
4,395,338.92x = 6,581,196.18 × 2,789,206.12 - Step 4: Simplify right side
4,395,338.92x = 18,356,312,662,176.62 - Step 5: Solve for x
x = 18,356,312,662,176.62/4,395,338.92 - Step 6: Final answer
x = 4,176,313.36
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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.