Finding the Fourth Proportional to 2,415,138.52, 3,622,485.66 and 817,519
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Solution
The fourth proportional to 2,415,138.52, 3,622,485.66 and 817,519 is: 1,226,203.31
Step by Step Solution
- Step 1: Write the proportion equation
2,415,138.52 : 3,622,485.66 = 817,519 : x - Step 2: Convert to fraction form
2,415,138.52/3,622,485.66 = 817,519/x - Step 3: Cross multiply
2,415,138.52x = 3,622,485.66 × 817,519 - Step 4: Simplify right side
2,415,138.52x = 2,961,450,854,277.54 - Step 5: Solve for x
x = 2,961,450,854,277.54/2,415,138.52 - Step 6: Final answer
x = 1,226,203.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.