Finding the Fourth Proportional to 3,572,558.07, 5,358,841.39 and 978,884.99
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Solution
The fourth proportional to 3,572,558.07, 5,358,841.39 and 978,884.99 is: 1,468,328.66
Step by Step Solution
- Step 1: Write the proportion equation
3,572,558.07 : 5,358,841.39 = 978,884.99 : x - Step 2: Convert to fraction form
3,572,558.07/5,358,841.39 = 978,884.99/x - Step 3: Cross multiply
3,572,558.07x = 5,358,841.39 × 978,884.99 - Step 4: Simplify right side
3,572,558.07x = 5,245,689,400,461.74 - Step 5: Solve for x
x = 5,245,689,400,461.74/3,572,558.07 - Step 6: Final answer
x = 1,468,328.66
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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.