Finding the Fourth Proportional to 3,157,694.94, 4,357,622.10 and 1,707,389.97
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Solution
The fourth proportional to 3,157,694.94, 4,357,622.10 and 1,707,389.97 is: 2,356,199.83
Step by Step Solution
- Step 1: Write the proportion equation
3,157,694.94 : 4,357,622.10 = 1,707,389.97 : x - Step 2: Convert to fraction form
3,157,694.94/4,357,622.10 = 1,707,389.97/x - Step 3: Cross multiply
3,157,694.94x = 4,357,622.10 × 1,707,389.97 - Step 4: Simplify right side
3,157,694.94x = 7,440,160,266,590.34 - Step 5: Solve for x
x = 7,440,160,266,590.34/3,157,694.94 - Step 6: Final answer
x = 2,356,199.83
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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.