Finding the Fourth Proportional to 3,879,907.68, 5,354,274.18 and 2,249,260.44
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Solution
The fourth proportional to 3,879,907.68, 5,354,274.18 and 2,249,260.44 is: 3,103,980.32
Step by Step Solution
- Step 1: Write the proportion equation
3,879,907.68 : 5,354,274.18 = 2,249,260.44 : x - Step 2: Convert to fraction form
3,879,907.68/5,354,274.18 = 2,249,260.44/x - Step 3: Cross multiply
3,879,907.68x = 5,354,274.18 × 2,249,260.44 - Step 4: Simplify right side
3,879,907.68x = 12,043,157,097,987.44 - Step 5: Solve for x
x = 12,043,157,097,987.44/3,879,907.68 - Step 6: Final answer
x = 3,103,980.32
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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.