Finding the Fourth Proportional to 5,712,911.88, 7,883,818.49 and 3,265,575.95
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Solution
The fourth proportional to 5,712,911.88, 7,883,818.49 and 3,265,575.95 is: 4,506,494.87
Step by Step Solution
- Step 1: Write the proportion equation
5,712,911.88 : 7,883,818.49 = 3,265,575.95 : x - Step 2: Convert to fraction form
5,712,911.88/7,883,818.49 = 3,265,575.95/x - Step 3: Cross multiply
5,712,911.88x = 7,883,818.49 × 3,265,575.95 - Step 4: Simplify right side
5,712,911.88x = 25,745,208,082,982.80 - Step 5: Solve for x
x = 25,745,208,082,982.80/5,712,911.88 - Step 6: Final answer
x = 4,506,494.87
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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.