Finding the Fourth Proportional to 4,809,815.20, 6,637,652.36 and 2,744,789.68
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Solution
The fourth proportional to 4,809,815.20, 6,637,652.36 and 2,744,789.68 is: 3,787,871.04
Step by Step Solution
- Step 1: Write the proportion equation
4,809,815.20 : 6,637,652.36 = 2,744,789.68 : x - Step 2: Convert to fraction form
4,809,815.20/6,637,652.36 = 2,744,789.68/x - Step 3: Cross multiply
4,809,815.20x = 6,637,652.36 × 2,744,789.68 - Step 4: Simplify right side
4,809,815.20x = 18,218,959,697,155.65 - Step 5: Solve for x
x = 18,218,959,697,155.65/4,809,815.20 - Step 6: Final answer
x = 3,787,871.04
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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.