Finding the Fourth Proportional to 2,378,346.24, 3,282,126.74 and 1,290,618.04
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Solution
The fourth proportional to 2,378,346.24, 3,282,126.74 and 1,290,618.04 is: 1,781,057.74
Step by Step Solution
- Step 1: Write the proportion equation
2,378,346.24 : 3,282,126.74 = 1,290,618.04 : x - Step 2: Convert to fraction form
2,378,346.24/3,282,126.74 = 1,290,618.04/x - Step 3: Cross multiply
2,378,346.24x = 3,282,126.74 × 1,290,618.04 - Step 4: Simplify right side
2,378,346.24x = 4,235,971,973,757.30 - Step 5: Solve for x
x = 4,235,971,973,757.30/2,378,346.24 - Step 6: Final answer
x = 1,781,057.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.