Finding the Fourth Proportional to 3,335,488.14, 4,603,467.35 and 2,111,907.21
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Solution
The fourth proportional to 3,335,488.14, 4,603,467.35 and 2,111,907.21 is: 2,914,744.55
Step by Step Solution
- Step 1: Write the proportion equation
3,335,488.14 : 4,603,467.35 = 2,111,907.21 : x - Step 2: Convert to fraction form
3,335,488.14/4,603,467.35 = 2,111,907.21/x - Step 3: Cross multiply
3,335,488.14x = 4,603,467.35 × 2,111,907.21 - Step 4: Simplify right side
3,335,488.14x = 9,722,095,887,464.59 - Step 5: Solve for x
x = 9,722,095,887,464.59/3,335,488.14 - Step 6: Final answer
x = 2,914,744.55
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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.