Finding the Fourth Proportional to 2,756,902.74, 4,134,808.95 and 2,620,191.48
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Solution
The fourth proportional to 2,756,902.74, 4,134,808.95 and 2,620,191.48 is: 3,929,769.09
Step by Step Solution
- Step 1: Write the proportion equation
2,756,902.74 : 4,134,808.95 = 2,620,191.48 : x - Step 2: Convert to fraction form
2,756,902.74/4,134,808.95 = 2,620,191.48/x - Step 3: Cross multiply
2,756,902.74x = 4,134,808.95 × 2,620,191.48 - Step 4: Simplify right side
2,756,902.74x = 10,833,991,182,217.75 - Step 5: Solve for x
x = 10,833,991,182,217.75/2,756,902.74 - Step 6: Final answer
x = 3,929,769.09
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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.