Finding the Fourth Proportional to 4,197,657.20, 6,285,988.20 and 3,357,849.20
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Solution
The fourth proportional to 4,197,657.20, 6,285,988.20 and 3,357,849.20 is: 5,028,376.41
Step by Step Solution
- Step 1: Write the proportion equation
4,197,657.20 : 6,285,988.20 = 3,357,849.20 : x - Step 2: Convert to fraction form
4,197,657.20/6,285,988.20 = 3,357,849.20/x - Step 3: Cross multiply
4,197,657.20x = 6,285,988.20 × 3,357,849.20 - Step 4: Simplify right side
4,197,657.20x = 21,107,400,448,579.44 - Step 5: Solve for x
x = 21,107,400,448,579.44/4,197,657.20 - Step 6: Final answer
x = 5,028,376.41
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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.