Finding the Fourth Proportional to 2,639,282.36, 3,952,137.96 and 1,828,512.45
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Solution
The fourth proportional to 2,639,282.36, 3,952,137.96 and 1,828,512.45 is: 2,738,067.59
Step by Step Solution
- Step 1: Write the proportion equation
2,639,282.36 : 3,952,137.96 = 1,828,512.45 : x - Step 2: Convert to fraction form
2,639,282.36/3,952,137.96 = 1,828,512.45/x - Step 3: Cross multiply
2,639,282.36x = 3,952,137.96 × 1,828,512.45 - Step 4: Simplify right side
2,639,282.36x = 7,226,533,463,977.60 - Step 5: Solve for x
x = 7,226,533,463,977.60/2,639,282.36 - Step 6: Final answer
x = 2,738,067.59
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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.