Finding the Fourth Proportional to 1,477,858.84, 2,039,467.86 and 865,865.18
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Solution
The fourth proportional to 1,477,858.84, 2,039,467.86 and 865,865.18 is: 1,194,907.23
Step by Step Solution
- Step 1: Write the proportion equation
1,477,858.84 : 2,039,467.86 = 865,865.18 : x - Step 2: Convert to fraction form
1,477,858.84/2,039,467.86 = 865,865.18/x - Step 3: Cross multiply
1,477,858.84x = 2,039,467.86 × 865,865.18 - Step 4: Simplify right side
1,477,858.84x = 1,765,904,205,703.12 - Step 5: Solve for x
x = 1,765,904,205,703.12/1,477,858.84 - Step 6: Final answer
x = 1,194,907.23
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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.