Finding the Fourth Proportional to 2,545,106.22, 3,512,248.83 and 1,399,206.06
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Solution
The fourth proportional to 2,545,106.22, 3,512,248.83 and 1,399,206.06 is: 1,930,905.60
Step by Step Solution
- Step 1: Write the proportion equation
2,545,106.22 : 3,512,248.83 = 1,399,206.06 : x - Step 2: Convert to fraction form
2,545,106.22/3,512,248.83 = 1,399,206.06/x - Step 3: Cross multiply
2,545,106.22x = 3,512,248.83 × 1,399,206.06 - Step 4: Simplify right side
2,545,106.22x = 4,914,359,847,163.91 - Step 5: Solve for x
x = 4,914,359,847,163.91/2,545,106.22 - Step 6: Final answer
x = 1,930,905.60
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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.