Finding the Fourth Proportional to 5,753,290.63, 7,939,731.60 and 3,139,937.41
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Solution
The fourth proportional to 5,753,290.63, 7,939,731.60 and 3,139,937.41 is: 4,333,217.61
Step by Step Solution
- Step 1: Write the proportion equation
5,753,290.63 : 7,939,731.60 = 3,139,937.41 : x - Step 2: Convert to fraction form
5,753,290.63/7,939,731.60 = 3,139,937.41/x - Step 3: Cross multiply
5,753,290.63x = 7,939,731.60 × 3,139,937.41 - Step 4: Simplify right side
5,753,290.63x = 24,930,260,276,199.16 - Step 5: Solve for x
x = 24,930,260,276,199.16/5,753,290.63 - Step 6: Final answer
x = 4,333,217.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.