Finding the Fourth Proportional to 5,239,979.41, 7,859,969.12 and 1,453,462.29
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Solution
The fourth proportional to 5,239,979.41, 7,859,969.12 and 1,453,462.29 is: 2,180,193.44
Step by Step Solution
- Step 1: Write the proportion equation
5,239,979.41 : 7,859,969.12 = 1,453,462.29 : x - Step 2: Convert to fraction form
5,239,979.41/7,859,969.12 = 1,453,462.29/x - Step 3: Cross multiply
5,239,979.41x = 7,859,969.12 × 1,453,462.29 - Step 4: Simplify right side
5,239,979.41x = 11,424,168,716,484.48 - Step 5: Solve for x
x = 11,424,168,716,484.48/5,239,979.41 - Step 6: Final answer
x = 2,180,193.44
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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.