Finding the Fourth Proportional to 2,263,011.03, 3,122,961.68 and 1,230,519.21
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Solution
The fourth proportional to 2,263,011.03, 3,122,961.68 and 1,230,519.21 is: 1,698,120.02
Step by Step Solution
- Step 1: Write the proportion equation
2,263,011.03 : 3,122,961.68 = 1,230,519.21 : x - Step 2: Convert to fraction form
2,263,011.03/3,122,961.68 = 1,230,519.21/x - Step 3: Cross multiply
2,263,011.03x = 3,122,961.68 × 1,230,519.21 - Step 4: Simplify right side
2,263,011.03x = 3,842,864,333,181.28 - Step 5: Solve for x
x = 3,842,864,333,181.28/2,263,011.03 - Step 6: Final answer
x = 1,698,120.02
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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.