Finding the Fourth Proportional to 4,328,962.92, 5,971,365.95 and 2,858,884.99
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Solution
The fourth proportional to 4,328,962.92, 5,971,365.95 and 2,858,884.99 is: 3,943,542.32
Step by Step Solution
- Step 1: Write the proportion equation
4,328,962.92 : 5,971,365.95 = 2,858,884.99 : x - Step 2: Convert to fraction form
4,328,962.92/5,971,365.95 = 2,858,884.99/x - Step 3: Cross multiply
4,328,962.92x = 5,971,365.95 × 2,858,884.99 - Step 4: Simplify right side
4,328,962.92x = 17,071,448,454,395.26 - Step 5: Solve for x
x = 17,071,448,454,395.26/4,328,962.92 - Step 6: Final answer
x = 3,943,542.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.