Finding the Fourth Proportional to 4,697,092.80, 6,481,878.30 and 2,763,477.90
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Solution
The fourth proportional to 4,697,092.80, 6,481,878.30 and 2,763,477.90 is: 3,813,534.92
Step by Step Solution
- Step 1: Write the proportion equation
4,697,092.80 : 6,481,878.30 = 2,763,477.90 : x - Step 2: Convert to fraction form
4,697,092.80/6,481,878.30 = 2,763,477.90/x - Step 3: Cross multiply
4,697,092.80x = 6,481,878.30 × 2,763,477.90 - Step 4: Simplify right side
4,697,092.80x = 17,912,527,432,539.57 - Step 5: Solve for x
x = 17,912,527,432,539.57/4,697,092.80 - Step 6: Final answer
x = 3,813,534.92
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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.