Finding the Fourth Proportional to 2,258,649.77, 3,115,567.40 and 1,340,273.79
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Solution
The fourth proportional to 2,258,649.77, 3,115,567.40 and 1,340,273.79 is: 1,848,765.30
Step by Step Solution
- Step 1: Write the proportion equation
2,258,649.77 : 3,115,567.40 = 1,340,273.79 : x - Step 2: Convert to fraction form
2,258,649.77/3,115,567.40 = 1,340,273.79/x - Step 3: Cross multiply
2,258,649.77x = 3,115,567.40 × 1,340,273.79 - Step 4: Simplify right side
2,258,649.77x = 4,175,713,320,497.08 - Step 5: Solve for x
x = 4,175,713,320,497.08/2,258,649.77 - Step 6: Final answer
x = 1,848,765.30
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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.