Finding the Fourth Proportional to 5,230,814.99, 7,843,013.06 and 2,032,207.20
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Solution
The fourth proportional to 5,230,814.99, 7,843,013.06 and 2,032,207.20 is: 3,047,063.92
Step by Step Solution
- Step 1: Write the proportion equation
5,230,814.99 : 7,843,013.06 = 2,032,207.20 : x - Step 2: Convert to fraction form
5,230,814.99/7,843,013.06 = 2,032,207.20/x - Step 3: Cross multiply
5,230,814.99x = 7,843,013.06 × 2,032,207.20 - Step 4: Simplify right side
5,230,814.99x = 15,938,627,610,226.03 - Step 5: Solve for x
x = 15,938,627,610,226.03/5,230,814.99 - Step 6: Final answer
x = 3,047,063.92
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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.