Finding the Fourth Proportional to 2,538,873.80, 3,781,923.04 and 2,401,360.70
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Solution
The fourth proportional to 2,538,873.80, 3,781,923.04 and 2,401,360.70 is: 3,577,082.63
Step by Step Solution
- Step 1: Write the proportion equation
2,538,873.80 : 3,781,923.04 = 2,401,360.70 : x - Step 2: Convert to fraction form
2,538,873.80/3,781,923.04 = 2,401,360.70/x - Step 3: Cross multiply
2,538,873.80x = 3,781,923.04 × 2,401,360.70 - Step 4: Simplify right side
2,538,873.80x = 9,081,761,358,680.53 - Step 5: Solve for x
x = 9,081,761,358,680.53/2,538,873.80 - Step 6: Final answer
x = 3,577,082.63
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.