Finding the Fourth Proportional to 5,447,827.98, 8,171,719.98 and 1,661,299.92
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Solution
The fourth proportional to 5,447,827.98, 8,171,719.98 and 1,661,299.92 is: 2,491,943.17
Step by Step Solution
- Step 1: Write the proportion equation
5,447,827.98 : 8,171,719.98 = 1,661,299.92 : x - Step 2: Convert to fraction form
5,447,827.98/8,171,719.98 = 1,661,299.92/x - Step 3: Cross multiply
5,447,827.98x = 8,171,719.98 × 1,661,299.92 - Step 4: Simplify right side
5,447,827.98x = 13,575,677,749,036.40 - Step 5: Solve for x
x = 13,575,677,749,036.40/5,447,827.98 - Step 6: Final answer
x = 2,491,943.17
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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.