Finding the Fourth Proportional to 2,252,057.80, 3,107,807.70 and 1,285,494.28
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Solution
The fourth proportional to 2,252,057.80, 3,107,807.70 and 1,285,494.28 is: 1,773,963.80
Step by Step Solution
- Step 1: Write the proportion equation
2,252,057.80 : 3,107,807.70 = 1,285,494.28 : x - Step 2: Convert to fraction form
2,252,057.80/3,107,807.70 = 1,285,494.28/x - Step 3: Cross multiply
2,252,057.80x = 3,107,807.70 × 1,285,494.28 - Step 4: Simplify right side
2,252,057.80x = 3,995,069,021,689.96 - Step 5: Solve for x
x = 3,995,069,021,689.96/2,252,057.80 - Step 6: Final answer
x = 1,773,963.80
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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.