Finding the Fourth Proportional to 2,868,264.26, 3,958,054.43 and 1,578,852.80
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Solution
The fourth proportional to 2,868,264.26, 3,958,054.43 and 1,578,852.80 is: 2,178,734.15
Step by Step Solution
- Step 1: Write the proportion equation
2,868,264.26 : 3,958,054.43 = 1,578,852.80 : x - Step 2: Convert to fraction form
2,868,264.26/3,958,054.43 = 1,578,852.80/x - Step 3: Cross multiply
2,868,264.26x = 3,958,054.43 × 1,578,852.80 - Step 4: Simplify right side
2,868,264.26x = 6,249,185,291,673.37 - Step 5: Solve for x
x = 6,249,185,291,673.37/2,868,264.26 - Step 6: Final answer
x = 2,178,734.15
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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.