Finding the Fourth Proportional to 2,486,809.28, 3,730,213.69 and 689,692.73
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Solution
The fourth proportional to 2,486,809.28, 3,730,213.69 and 689,692.73 is: 1,034,539.02
Step by Step Solution
- Step 1: Write the proportion equation
2,486,809.28 : 3,730,213.69 = 689,692.73 : x - Step 2: Convert to fraction form
2,486,809.28/3,730,213.69 = 689,692.73/x - Step 3: Cross multiply
2,486,809.28x = 3,730,213.69 × 689,692.73 - Step 4: Simplify right side
2,486,809.28x = 2,572,701,242,964.17 - Step 5: Solve for x
x = 2,572,701,242,964.17/2,486,809.28 - Step 6: Final answer
x = 1,034,539.02
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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.