Finding the Fourth Proportional to 3,996,407.16, 5,996,579.04 and 1,866,181.68
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Solution
The fourth proportional to 3,996,407.16, 5,996,579.04 and 1,866,181.68 is: 2,800,191.65
Step by Step Solution
- Step 1: Write the proportion equation
3,996,407.16 : 5,996,579.04 = 1,866,181.68 : x - Step 2: Convert to fraction form
3,996,407.16/5,996,579.04 = 1,866,181.68/x - Step 3: Cross multiply
3,996,407.16x = 5,996,579.04 × 1,866,181.68 - Step 4: Simplify right side
3,996,407.16x = 11,190,705,947,119.99 - Step 5: Solve for x
x = 11,190,705,947,119.99/3,996,407.16 - Step 6: Final answer
x = 2,800,191.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.