Finding the Fourth Proportional to 2,868,267.33, 3,958,058.64 and 1,578,855.87
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Solution
The fourth proportional to 2,868,267.33, 3,958,058.64 and 1,578,855.87 is: 2,178,738.38
Step by Step Solution
- Step 1: Write the proportion equation
2,868,267.33 : 3,958,058.64 = 1,578,855.87 : x - Step 2: Convert to fraction form
2,868,267.33/3,958,058.64 = 1,578,855.87/x - Step 3: Cross multiply
2,868,267.33x = 3,958,058.64 × 1,578,855.87 - Step 4: Simplify right side
2,868,267.33x = 6,249,204,117,568.22 - Step 5: Solve for x
x = 6,249,204,117,568.22/2,868,267.33 - Step 6: Final answer
x = 2,178,738.38
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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.