Finding the Fourth Proportional to 4,982,604.20, 6,875,993.70 and 2,690,764.80
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Solution
The fourth proportional to 4,982,604.20, 6,875,993.70 and 2,690,764.80 is: 3,713,255.37
Step by Step Solution
- Step 1: Write the proportion equation
4,982,604.20 : 6,875,993.70 = 2,690,764.80 : x - Step 2: Convert to fraction form
4,982,604.20/6,875,993.70 = 2,690,764.80/x - Step 3: Cross multiply
4,982,604.20x = 6,875,993.70 × 2,690,764.80 - Step 4: Simplify right side
4,982,604.20x = 18,501,681,812,981.76 - Step 5: Solve for x
x = 18,501,681,812,981.76/4,982,604.20 - Step 6: Final answer
x = 3,713,255.37
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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.