Finding the Fourth Proportional to 2,119,205.23, 3,174,807.73 and 1,252,052.70
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Solution
The fourth proportional to 2,119,205.23, 3,174,807.73 and 1,252,052.70 is: 1,875,715.72
Step by Step Solution
- Step 1: Write the proportion equation
2,119,205.23 : 3,174,807.73 = 1,252,052.70 : x - Step 2: Convert to fraction form
2,119,205.23/3,174,807.73 = 1,252,052.70/x - Step 3: Cross multiply
2,119,205.23x = 3,174,807.73 × 1,252,052.70 - Step 4: Simplify right side
2,119,205.23x = 3,975,026,575,469.93 - Step 5: Solve for x
x = 3,975,026,575,469.93/2,119,205.23 - Step 6: Final answer
x = 1,875,715.72
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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.