Finding the Fourth Proportional to 2,415,202.90, 3,618,657.15 and 1,276,278.10
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Solution
The fourth proportional to 2,415,202.90, 3,618,657.15 and 1,276,278.10 is: 1,912,225.62
Step by Step Solution
- Step 1: Write the proportion equation
2,415,202.90 : 3,618,657.15 = 1,276,278.10 : x - Step 2: Convert to fraction form
2,415,202.90/3,618,657.15 = 1,276,278.10/x - Step 3: Cross multiply
2,415,202.90x = 3,618,657.15 × 1,276,278.10 - Step 4: Simplify right side
2,415,202.90x = 4,618,412,871,953.42 - Step 5: Solve for x
x = 4,618,412,871,953.42/2,415,202.90 - Step 6: Final answer
x = 1,912,225.62
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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.