Finding the Fourth Proportional to 2,110,000.24, 2,911,796.20 and 1,143,154.68
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Solution
The fourth proportional to 2,110,000.24, 2,911,796.20 and 1,143,154.68 is: 1,577,551.22
Step by Step Solution
- Step 1: Write the proportion equation
2,110,000.24 : 2,911,796.20 = 1,143,154.68 : x - Step 2: Convert to fraction form
2,110,000.24/2,911,796.20 = 1,143,154.68/x - Step 3: Cross multiply
2,110,000.24x = 2,911,796.20 × 1,143,154.68 - Step 4: Simplify right side
2,110,000.24x = 3,328,633,453,236.22 - Step 5: Solve for x
x = 3,328,633,453,236.22/2,110,000.24 - Step 6: Final answer
x = 1,577,551.22
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1.5x scale
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.