Finding the Fourth Proportional to 5,209,753.14, 7,821,787.74 and 2,652,686.01
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Solution
The fourth proportional to 5,209,753.14, 7,821,787.74 and 2,652,686.01 is: 3,982,673.72
Step by Step Solution
- Step 1: Write the proportion equation
5,209,753.14 : 7,821,787.74 = 2,652,686.01 : x - Step 2: Convert to fraction form
5,209,753.14/7,821,787.74 = 2,652,686.01/x - Step 3: Cross multiply
5,209,753.14x = 7,821,787.74 × 2,652,686.01 - Step 4: Simplify right side
5,209,753.14x = 20,748,746,911,087.52 - Step 5: Solve for x
x = 20,748,746,911,087.52/5,209,753.14 - Step 6: Final answer
x = 3,982,673.72
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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.