Finding the Fourth Proportional to 5,119,694.16, 7,679,982.24 and 1,333,183.92
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Solution
The fourth proportional to 5,119,694.16, 7,679,982.24 and 1,333,183.92 is: 1,999,890.72
Step by Step Solution
- Step 1: Write the proportion equation
5,119,694.16 : 7,679,982.24 = 1,333,183.92 : x - Step 2: Convert to fraction form
5,119,694.16/7,679,982.24 = 1,333,183.92/x - Step 3: Cross multiply
5,119,694.16x = 7,679,982.24 × 1,333,183.92 - Step 4: Simplify right side
5,119,694.16x = 10,238,828,828,253.58 - Step 5: Solve for x
x = 10,238,828,828,253.58/5,119,694.16 - Step 6: Final answer
x = 1,999,890.72
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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.