Finding the Fourth Proportional to 4,086,808.80, 6,130,722.12 and 1,390,926.84
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Solution
The fourth proportional to 4,086,808.80, 6,130,722.12 and 1,390,926.84 is: 2,086,563.47
Step by Step Solution
- Step 1: Write the proportion equation
4,086,808.80 : 6,130,722.12 = 1,390,926.84 : x - Step 2: Convert to fraction form
4,086,808.80/6,130,722.12 = 1,390,926.84/x - Step 3: Cross multiply
4,086,808.80x = 6,130,722.12 × 1,390,926.84 - Step 4: Simplify right side
4,086,808.80x = 8,527,385,945,289.70 - Step 5: Solve for x
x = 8,527,385,945,289.70/4,086,808.80 - Step 6: Final answer
x = 2,086,563.47
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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.