Finding the Fourth Proportional to 2,019,119.20, 3,030,331.20 and 2,003,372.80
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Solution
The fourth proportional to 2,019,119.20, 3,030,331.20 and 2,003,372.80 is: 3,006,698.71
Step by Step Solution
- Step 1: Write the proportion equation
2,019,119.20 : 3,030,331.20 = 2,003,372.80 : x - Step 2: Convert to fraction form
2,019,119.20/3,030,331.20 = 2,003,372.80/x - Step 3: Cross multiply
2,019,119.20x = 3,030,331.20 × 2,003,372.80 - Step 4: Simplify right side
2,019,119.20x = 6,070,883,101,071.36 - Step 5: Solve for x
x = 6,070,883,101,071.36/2,019,119.20 - Step 6: Final answer
x = 3,006,698.71
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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.