Finding the Fourth Proportional to 2,532,135.28, 3,494,346.80 and 1,386,215.62
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Solution
The fourth proportional to 2,532,135.28, 3,494,346.80 and 1,386,215.62 is: 1,912,977.62
Step by Step Solution
- Step 1: Write the proportion equation
2,532,135.28 : 3,494,346.80 = 1,386,215.62 : x - Step 2: Convert to fraction form
2,532,135.28/3,494,346.80 = 1,386,215.62/x - Step 3: Cross multiply
2,532,135.28x = 3,494,346.80 × 1,386,215.62 - Step 4: Simplify right side
2,532,135.28x = 4,843,918,115,857.02 - Step 5: Solve for x
x = 4,843,918,115,857.02/2,532,135.28 - Step 6: Final answer
x = 1,912,977.62
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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.