Finding the Fourth Proportional to 2,126,496.36, 2,934,635.84 and 1,159,679.40
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Solution
The fourth proportional to 2,126,496.36, 2,934,635.84 and 1,159,679.40 is: 1,600,396.22
Step by Step Solution
- Step 1: Write the proportion equation
2,126,496.36 : 2,934,635.84 = 1,159,679.40 : x - Step 2: Convert to fraction form
2,126,496.36/2,934,635.84 = 1,159,679.40/x - Step 3: Cross multiply
2,126,496.36x = 2,934,635.84 × 1,159,679.40 - Step 4: Simplify right side
2,126,496.36x = 3,403,236,730,149.70 - Step 5: Solve for x
x = 3,403,236,730,149.70/2,126,496.36 - Step 6: Final answer
x = 1,600,396.22
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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.