Finding the Fourth Proportional to 2,680,412.64, 3,698,907.12 and 1,456,689.12
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Solution
The fourth proportional to 2,680,412.64, 3,698,907.12 and 1,456,689.12 is: 2,010,197.12
Step by Step Solution
- Step 1: Write the proportion equation
2,680,412.64 : 3,698,907.12 = 1,456,689.12 : x - Step 2: Convert to fraction form
2,680,412.64/3,698,907.12 = 1,456,689.12/x - Step 3: Cross multiply
2,680,412.64x = 3,698,907.12 × 1,456,689.12 - Step 4: Simplify right side
2,680,412.64x = 5,388,157,757,594.54 - Step 5: Solve for x
x = 5,388,157,757,594.54/2,680,412.64 - Step 6: Final answer
x = 2,010,197.12
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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.